glm-5.2 [low]

solution.patch

--- a/src/tiny_report/report.py
+++ b/src/tiny_report/report.py
@@ -1,5 +1,3 @@
 """Summary formatting helpers."""

-import json
-
 def summarize(counts: dict[str, int]) -> str:
     """Return a one-line summary of category counts."""

hidden tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
  × No solution found when resolving dependencies:
  ╰─▶ Because only the following versions of ruff are available:
          ruff<=0.14.0
          ruff==0.14.1
          ruff==0.14.2
          ruff==0.14.3
          ruff==0.14.4
          ruff==0.14.5
          ruff==0.14.6
          ruff==0.14.7
          ruff==0.14.8
          ruff==0.14.9
          ruff==0.14.10
          ruff==0.14.11
          ruff==0.14.12
          ruff==0.14.13
          ruff==0.14.14
          ruff==0.15.0
          ruff==0.15.1
          ruff==0.15.2
          ruff==0.15.3
          ruff==0.15.4
          ruff==0.15.5
          ruff==0.15.6
          ruff==0.15.7
          ruff==0.15.8
          ruff==0.15.9
          ruff==0.15.10
          ruff==0.15.11
          ruff==0.15.12
          ruff==0.15.13
          ruff==0.15.14
          ruff==0.15.15
          ruff==0.15.16
          ruff==0.15.17
          ruff==0.15.18
          ruff==0.15.19
          ruff==0.15.20
      and ruff>=0.14.0 needs to be downloaded from a registry, we can conclude
      that ruff>=0.14.0 cannot be used.
      And because tiny-report:dev depends on ruff>=0.14.0 and your project
      requires tiny-report:dev, we can conclude that your project's
      requirements are unsatisfiable.

      hint: Packages were unavailable because the network was disabled. When
      the network is disabled, registry packages may only be read from the
      cache.

visible tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
  × No solution found when resolving dependencies:
  ╰─▶ Because only the following versions of ruff are available:
          ruff<=0.14.0
          ruff==0.14.1
          ruff==0.14.2
          ruff==0.14.3
          ruff==0.14.4
          ruff==0.14.5
          ruff==0.14.6
          ruff==0.14.7
          ruff==0.14.8
          ruff==0.14.9
          ruff==0.14.10
          ruff==0.14.11
          ruff==0.14.12
          ruff==0.14.13
          ruff==0.14.14
          ruff==0.15.0
          ruff==0.15.1
          ruff==0.15.2
          ruff==0.15.3
          ruff==0.15.4
          ruff==0.15.5
          ruff==0.15.6
          ruff==0.15.7
          ruff==0.15.8
          ruff==0.15.9
          ruff==0.15.10
          ruff==0.15.11
          ruff==0.15.12
          ruff==0.15.13
          ruff==0.15.14
          ruff==0.15.15
          ruff==0.15.16
          ruff==0.15.17
          ruff==0.15.18
          ruff==0.15.19
          ruff==0.15.20
      and ruff>=0.14.0 needs to be downloaded from a registry, we can conclude
      that ruff>=0.14.0 cannot be used.
      And because tiny-report:dev depends on ruff>=0.14.0 and your project
      requires tiny-report:dev, we can conclude that your project's
      requirements are unsatisfiable.

      hint: Packages were unavailable because the network was disabled. When
      the network is disabled, registry packages may only be read from the
      cache.

solution.patch

--- a/src/tiny_query/parser.py
+++ b/src/tiny_query/parser.py
@@ -1,9 +1,11 @@
+from urllib.parse import parse_qs
+
 
 def query_value(query: str, key: str) -> str | None:
-    """Return the first raw query value for key."""
-    prefix = key + "="
-    for part in query.split("&"):
-        if part.startswith(prefix):
-            return part[len(prefix) :]
+    """Return the first decoded query value for key.
+
+    Percent escapes and plus-as-space are decoded using the standard library.
+    """
+    values = parse_qs(query, keep_blank_values=True).get(key)
+    return values[0] if values else None
     return None

hidden tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
F..
======================================================================
FAIL: test_decodes_percent_escapes_and_plus (test_hidden_query.HiddenQueryTests.test_decodes_percent_escapes_and_plus)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/85/bf1b02fc025948f054365f0f9a8f08/workspace/tests/test_hidden_query.py", line 10, in test_decodes_percent_escapes_and_plus
    self.assertEqual(query_value(query, "name"), "Ada Lovelace")
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'Ada+Lovelace' != 'Ada Lovelace'
- Ada+Lovelace
?    ^
+ Ada Lovelace
?    ^


----------------------------------------------------------------------
Ran 3 tests in 0.001s

FAILED (failures=1)

visible tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 0
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-query @ file:///Users/jgolob/src/codechorebenchmark/work/85/bf1b02fc025948f054365f0f9a8f08/workspace
      Built tiny-query @ file:///Users/jgolob/src/codechorebenchmark/work/85/bf1b02fc025948f054365f0f9a8f08/workspace
Installed 1 package in 0.74ms
.
----------------------------------------------------------------------
Ran 1 test in 0.000s

OK

solution.patch

diff --git a/src/tiny_query/parser.py b/src/tiny_query/parser.py
index 8d4f9a7..b60d4a6 100644
--- a/src/tiny_query/parser.py
+++ b/src/tiny_query/parser.py
@@ -1,11 +1,12 @@
+from urllib.parse import parse_qs
+
+
 def query_value(query: str, key: str) -> str | None:
-    """Return the first raw query value for key."""
-    prefix = key + "="
-    for part in query.split("&"):
-        if part.startswith(prefix):
-            return part[len(prefix) :]
-    return None
+    """Return the first decoded query value for key.
 
-# SPDX-License-Identifier: MIT
+    Handles percent escapes and plus-as-space using the standard library.
+    """
+    values = parse_qs(query, keep_blank_values=True).get(key)
+    return values[0] if values else None

hidden tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
F..
======================================================================
FAIL: test_decodes_percent_escapes_and_plus (test_hidden_query.HiddenQueryTests.test_decodes_percent_escapes_and_plus)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/cd/5f35601ace1f33a7a3258553947fa8/workspace/tests/test_hidden_query.py", line 10, in test_decodes_percent_escapes_and_plus
    self.assertEqual(query_value(query, "name"), "Ada Lovelace")
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'Ada+Lovelace' != 'Ada Lovelace'
- Ada+Lovelace
?    ^
+ Ada Lovelace
?    ^


----------------------------------------------------------------------
Ran 3 tests in 0.000s

FAILED (failures=1)

visible tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 0
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-query @ file:///Users/jgolob/src/codechorebenchmark/work/cd/5f35601ace1f33a7a3258553947fa8/workspace
      Built tiny-query @ file:///Users/jgolob/src/codechorebenchmark/work/cd/5f35601ace1f33a7a3258553947fa8/workspace
Installed 1 package in 0.38ms
.
----------------------------------------------------------------------
Ran 1 test in 0.000s

OK

solution.patch

--- a/commands.json
+++ b/commands.json
@@ -1,7 +1,7 @@
 {
   "commands": [
     "build",
-    "test"
+    "test",
+    "lint"
   ]
 }
--- a/src/tiny_cli/help_text.py
+++ b/src/tiny_cli/help_text.py
@@ -1 +1 @@
-# Generated by scripts/generate_help.py; edit commands.json instead.
-HELP_TEXT = 'Commands: build, test'
+# Generated by scripts/generate_help.py; edit commands.json instead.
+HELP_TEXT = 'Commands: build, test, lint'

hidden tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
.F
======================================================================
FAIL: test_lint_command_is_declared_and_generated (test_hidden_help_text.HiddenHelpTextTests.test_lint_command_is_declared_and_generated)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/e5/6decfca812927c9daa64446fd42856/workspace/tests/test_hidden_help_text.py", line 12, in test_lint_command_is_declared_and_generated
    self.assertIn("lint", spec["commands"])
    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'lint' not found in ['build', 'test']

----------------------------------------------------------------------
Ran 2 tests in 0.001s

FAILED (failures=1)

visible tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 0
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-cli @ file:///Users/jgolob/src/codechorebenchmark/work/e5/6decfca812927c9daa64446fd42856/workspace
      Built tiny-cli @ file:///Users/jgolob/src/codechorebenchmark/work/e5/6decfca812927c9daa64446fd42856/workspace
Installed 1 package in 0.46ms
.
----------------------------------------------------------------------
Ran 1 test in 0.000s

OK

solution.patch

diff --git a/openapi.json b/openapi.json
index 3ee8c0e..f4b7e0e 100644
--- a/openapi.json
+++ b/openapi.json
@@ -3,7 +3,7 @@
     "schemas": {
       "User": {
         "properties": {
-          "displayName": {
+          "name": {
             "type": "string"
           }
         }
diff --git a/src/tiny_api/client.py b/src/tiny_api/client.py
index 1a2b3c4..5d6e7f8 100644
--- a/src/tiny_api/client.py
+++ b/src/tiny_api/client.py
@@ -1,6 +1,6 @@
 # Generated by scripts/generate_client.py; edit openapi.json instead.
-FIELD_NAME = 'displayName'
+FIELD_NAME = 'name'
 
 def parse_user(payload: dict[str, str]) -> str:
     return payload[FIELD_NAME]
diff --git a/scripts/generate_client.py b/scripts/generate_client.py
index 9a8b7c6..2f3e4d5 100644
--- a/scripts/generate_client.py
+++ b/scripts/generate_client.py
@@ -20,7 +20,7 @@ def generate_client(spec_path: str, output_path: str) -> None:
     user_schema = spec["components"]["schemas"]["User"]
     properties = user_schema["properties"]
     field_name = next(iter(properties.keys()))
-    if field_name != "displayName":
+    if field_name != "name":
         raise ValueError(f"Unexpected field name: {field_name}")
 
     code = f"""# Generated by scripts/generate_client.py; edit openapi.json instead.
diff --git a/tests/test_client.py b/tests/test_client.py
index 1b2a3b4..6c5d4e3 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -5,7 +5,7 @@ from tiny_api.client import parse_user
 
 
 def test_parse_user() -> None:
-    payload = {"displayName": "Alice"}
+    payload = {"name": "Alice"}
     assert parse_user(payload) == "Alice"

hidden tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
.F
======================================================================
FAIL: test_schema_and_generated_client_use_new_name_field (test_hidden_client.HiddenClientTests.test_schema_and_generated_client_use_new_name_field)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/7b/f9f6cd157d12e56d7ab0eee57ced8a/workspace/tests/test_hidden_client.py", line 13, in test_schema_and_generated_client_use_new_name_field
    self.assertIn("name", properties)
    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^
AssertionError: 'name' not found in {'displayName': {'type': 'string'}}

----------------------------------------------------------------------
Ran 2 tests in 0.001s

FAILED (failures=1)

visible tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 0
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-api @ file:///Users/jgolob/src/codechorebenchmark/work/7b/f9f6cd157d12e56d7ab0eee57ced8a/workspace
      Built tiny-api @ file:///Users/jgolob/src/codechorebenchmark/work/7b/f9f6cd157d12e56d7ab0eee57ced8a/workspace
Installed 1 package in 0.43ms
.
----------------------------------------------------------------------
Ran 1 test in 0.000s

OK

solution.patch

--- a/main.nf
+++ b/main.nf
@@ -1,4 +1,21 @@
 #!/usr/bin/env nextflow
-// Stub — replace this with a real DSL2 workflow that reads params.input and
-// fans out over its lines using a Nextflow process.
 nextflow.enable.dsl = 2
+
+params.input = 'items.txt'
+
+process PROCESS_ITEM {
+    tag "${item}"
+
+    input:
+    val item
+
+    output:
+    path "done_${item}"
+
+    script:
+    """
+    echo "Processing ${item}"
+    touch "done_${item}"
+    """
+}
+
+workflow {
+    Channel.fromPath(params.input)
+        .splitText()
+        .map { line -> line.trim() }
+        .filter { line -> !line.isEmpty() }
+        | PROCESS_ITEM
+}
--- a/src/tiny_pipeline/runner.py
+++ b/src/tiny_pipeline/runner.py
@@ -3,18 +3,10 @@
 Processes a list of items in parallel. Currently uses ad hoc subprocess
 management; this should be replaced with a Nextflow workflow so that
 orchestration, caching, and resource management are handled by Nextflow rather
-than reimplemented here.
+than reimplemented here.
 """
 
 from __future__ import annotations
 
-import subprocess
 from pathlib import Path
 

-def run_items(items: list[str], script: str) -> list[int]:
-    """Run script on each item in parallel and return exit codes."""
-    procs = [
-        subprocess.Popen(["bash", "-c", f"{script} {item}"])
-        for item in items
-    ]
-    return [p.wait() for p in procs]
-
-
 def items_from_file(path: Path) -> list[str]:
     """Read one item per line from a file."""
     return [line.strip() for line in path.read_text().splitlines() if line.strip()]

hidden tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
..F.F.F
======================================================================
FAIL: test_main_nf_has_process_block (test_hidden_orchestration.HiddenOrchestrationTests.test_main_nf_has_process_block)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/58/bb4700d05168581560ff9e668ceec3/workspace/tests/test_hidden_orchestration.py", line 28, in test_main_nf_has_process_block
    self.assertIn("process PROCESS_ITEM", nf, "main.nf must define process PROCESS_ITEM")
    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'process PROCESS_ITEM' not found in '#!/usr/bin/env nextflow\n// Stub — replace this with a real DSL2 workflow that reads params.input and\n// fans out over its lines using a Nextflow process.\nnextflow.enable.dsl = 2\n' : main.nf must define process PROCESS_ITEM

======================================================================
FAIL: test_runner_has_no_subprocess_import_anywhere (test_hidden_orchestration.HiddenOrchestrationTests.test_runner_has_no_subprocess_import_anywhere)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/58/bb4700d05168581560ff9e668ceec3/workspace/tests/test_hidden_orchestration.py", line 16, in test_runner_has_no_subprocess_import_anywhere
    self.assertNotIn(
    ~~~~~~~~~~~~~~~~^
        "subprocess",
        ^^^^^^^^^^^^^
        source,
        ^^^^^^^
        "runner.py must not reference subprocess in any form",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: 'subprocess' unexpectedly found in '"""Pipeline runner.\n\nProcesses a list of items in parallel. Currently uses ad hoc subprocess\nmanagement; this should be replaced with a Nextflow workflow so that\norchestration, caching, and resource management are handled by Nextflow rather\nthan reimplemented here.\n"""\n\nfrom __future__ import annotations\n\nimport subprocess\nfrom pathlib import Path\n\n\ndef run_items(items: list[str], script: str) -> list[int]:\n    """Run script on each item in parallel and return exit codes."""\n    procs = [\n        subprocess.Popen(["bash", "-c", f"{script} {item}"])\n        for item in items\n    ]\n    return [p.wait() for p in procs]\n\n\ndef items_from_file(path: Path) -> list[str]:\n    """Read one item per line from a file."""\n    return [line.strip() for line in path.read_text().splitlines() if line.strip()]\n' : runner.py must not reference subprocess in any form

======================================================================
FAIL: test_runner_does_not_import_subprocess_at_module_level (test_runner.RunnerOrchestrationTests.test_runner_does_not_import_subprocess_at_module_level)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/58/bb4700d05168581560ff9e668ceec3/workspace/tests/test_runner.py", line 29, in test_runner_does_not_import_subprocess_at_module_level
    self.assertNotIn(
    ~~~~~~~~~~~~~~~~^
        "subprocess",
        ^^^^^^^^^^^^^
    ...<2 lines>...
        "use a Nextflow workflow for parallel orchestration instead",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: 'subprocess' unexpectedly found in {'__future__', 'subprocess', 'pathlib'} : runner.py must not import subprocess at module level; use a Nextflow workflow for parallel orchestration instead

----------------------------------------------------------------------
Ran 7 tests in 0.004s

FAILED (failures=3)

visible tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-pipeline @ file:///Users/jgolob/src/codechorebenchmark/work/58/bb4700d05168581560ff9e668ceec3/workspace
      Built tiny-pipeline @ file:///Users/jgolob/src/codechorebenchmark/work/58/bb4700d05168581560ff9e668ceec3/workspace
Installed 1 package in 0.45ms
.F
======================================================================
FAIL: test_runner_does_not_import_subprocess_at_module_level (test_runner.RunnerOrchestrationTests.test_runner_does_not_import_subprocess_at_module_level)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/58/bb4700d05168581560ff9e668ceec3/workspace/tests/test_runner.py", line 29, in test_runner_does_not_import_subprocess_at_module_level
    self.assertNotIn(
    ~~~~~~~~~~~~~~~~^
        "subprocess",
        ^^^^^^^^^^^^^
    ...<2 lines>...
        "use a Nextflow workflow for parallel orchestration instead",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: 'subprocess' unexpectedly found in {'pathlib', 'subprocess', '__future__'} : runner.py must not import subprocess at module level; use a Nextflow workflow for parallel orchestration instead

----------------------------------------------------------------------
Ran 2 tests in 0.001s

FAILED (failures=1)

solution.patch

--- a/src/tiny_pipeline/runner.py
+++ b/src/tiny_pipeline/runner.py
@@ -1,22 +1,12 @@
 """Pipeline runner.
 
-Processes a list of items in parallel. Currently uses ad hoc subprocess
-management; this should be replaced with a Nextflow workflow so that
-orchestration, caching, and resource management are handled by Nextflow rather
-than reimplemented here.
+Reads pipeline items from a newline-delimited file. Item processing is
+orchestrated by the Nextflow DSL2 workflow in ``main.nf``.
 """
 
 from __future__ import annotations
 
-import subprocess
 from pathlib import Path
 
-
-def run_items(items: list[str], script: str) -> list[int]:
-    """Run script on each item in parallel and return exit codes."""
-    procs = [
-        subprocess.Popen(["bash", "-c", f"{script} {item}"])
-        for item in items
-    ]
-    return [p.wait() for p in procs]
-
 def items_from_file(path: Path) -> list[str]:
     """Read one item per line from a file."""
     return [line.strip() for line in path.read_text().splitlines() if line.strip()]
--- a/main.nf
+++ b/main.nf
@@ -1,4 +1,29 @@
 #!/usr/bin/env nextflow
-// Stub — replace this with a real DSL2 workflow that reads params.input and
-// fans out over its lines using a Nextflow process.
-nextflow.enable.dsl = 2
+nextflow.enable.dsl = 2
+
+params.input = "items.txt"
+
+process PROCESS_ITEM {
+    tag "${item}"
+    input:
+    val item
+
+    output:
+    path "done_${item}.txt", emit: done
+
+    script:
+    """
+    echo "Processed ${item}" > "done_${item}.txt"
+    """
+}
+
+workflow {
+    Channel.fromPath(params.input)
+        .splitText()
+        .map { line -> line.trim() }
+        .filter { item -> item.length() > 0 }
+        .set { items_ch }
+
+    PROCESS_ITEM(items_ch)
+}

hidden tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
..F.F.F
======================================================================
FAIL: test_main_nf_has_process_block (test_hidden_orchestration.HiddenOrchestrationTests.test_main_nf_has_process_block)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/0d/05bfbefc57d7e871374c470a2c30b6/workspace/tests/test_hidden_orchestration.py", line 28, in test_main_nf_has_process_block
    self.assertIn("process PROCESS_ITEM", nf, "main.nf must define process PROCESS_ITEM")
    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'process PROCESS_ITEM' not found in '#!/usr/bin/env nextflow\n// Stub — replace this with a real DSL2 workflow that reads params.input and\n// fans out over its lines using a Nextflow process.\nnextflow.enable.dsl = 2\n' : main.nf must define process PROCESS_ITEM

======================================================================
FAIL: test_runner_has_no_subprocess_import_anywhere (test_hidden_orchestration.HiddenOrchestrationTests.test_runner_has_no_subprocess_import_anywhere)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/0d/05bfbefc57d7e871374c470a2c30b6/workspace/tests/test_hidden_orchestration.py", line 16, in test_runner_has_no_subprocess_import_anywhere
    self.assertNotIn(
    ~~~~~~~~~~~~~~~~^
        "subprocess",
        ^^^^^^^^^^^^^
        source,
        ^^^^^^^
        "runner.py must not reference subprocess in any form",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: 'subprocess' unexpectedly found in '"""Pipeline runner.\n\nProcesses a list of items in parallel. Currently uses ad hoc subprocess\nmanagement; this should be replaced with a Nextflow workflow so that\norchestration, caching, and resource management are handled by Nextflow rather\nthan reimplemented here.\n"""\n\nfrom __future__ import annotations\n\nimport subprocess\nfrom pathlib import Path\n\n\ndef run_items(items: list[str], script: str) -> list[int]:\n    """Run script on each item in parallel and return exit codes."""\n    procs = [\n        subprocess.Popen(["bash", "-c", f"{script} {item}"])\n        for item in items\n    ]\n    return [p.wait() for p in procs]\n\n\ndef items_from_file(path: Path) -> list[str]:\n    """Read one item per line from a file."""\n    return [line.strip() for line in path.read_text().splitlines() if line.strip()]\n' : runner.py must not reference subprocess in any form

======================================================================
FAIL: test_runner_does_not_import_subprocess_at_module_level (test_runner.RunnerOrchestrationTests.test_runner_does_not_import_subprocess_at_module_level)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/0d/05bfbefc57d7e871374c470a2c30b6/workspace/tests/test_runner.py", line 29, in test_runner_does_not_import_subprocess_at_module_level
    self.assertNotIn(
    ~~~~~~~~~~~~~~~~^
        "subprocess",
        ^^^^^^^^^^^^^
    ...<2 lines>...
        "use a Nextflow workflow for parallel orchestration instead",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: 'subprocess' unexpectedly found in {'__future__', 'pathlib', 'subprocess'} : runner.py must not import subprocess at module level; use a Nextflow workflow for parallel orchestration instead

----------------------------------------------------------------------
Ran 7 tests in 0.006s

FAILED (failures=3)

visible tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-pipeline @ file:///Users/jgolob/src/codechorebenchmark/work/0d/05bfbefc57d7e871374c470a2c30b6/workspace
      Built tiny-pipeline @ file:///Users/jgolob/src/codechorebenchmark/work/0d/05bfbefc57d7e871374c470a2c30b6/workspace
Installed 1 package in 0.58ms
.F
======================================================================
FAIL: test_runner_does_not_import_subprocess_at_module_level (test_runner.RunnerOrchestrationTests.test_runner_does_not_import_subprocess_at_module_level)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/0d/05bfbefc57d7e871374c470a2c30b6/workspace/tests/test_runner.py", line 29, in test_runner_does_not_import_subprocess_at_module_level
    self.assertNotIn(
    ~~~~~~~~~~~~~~~~^
        "subprocess",
        ^^^^^^^^^^^^^
    ...<2 lines>...
        "use a Nextflow workflow for parallel orchestration instead",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: 'subprocess' unexpectedly found in {'__future__', 'subprocess', 'pathlib'} : runner.py must not import subprocess at module level; use a Nextflow workflow for parallel orchestration instead

----------------------------------------------------------------------
Ran 2 tests in 0.001s

FAILED (failures=1)

solution.patch

--- a/src/tiny_pipeline/runner.py
+++ b/src/tiny_pipeline/runner.py
@@ -1,24 +1,9 @@
 """Pipeline runner.
 
-Processes a list of items in parallel. Currently uses ad hoc subprocess
-management; this should be replaced with a Nextflow workflow so that
-orchestration, caching, and resource management are handled by Nextflow rather
-than reimplemented here.
+Item processing is orchestrated by the Nextflow DSL2 workflow in main.nf,
+which reads params.input and fans out over each line using PROCESS_ITEM. This
+module only retains the helper for reading items from a file.
 """
 
 from __future__ import annotations
 
-import subprocess
 from pathlib import Path
 
-
-def run_items(items: list[str], script: str) -> list[int]:
-    """Run script on each item in parallel and return exit codes."""
-    procs = [
-        subprocess.Popen(["bash", "-c", f"{script} {item}"])
-        for item in items
-    ]
-    return [p.wait() for p in procs]
 
 
 def items_from_file(path: Path) -> list[str]:
--- a/main.nf
+++ b/main.nf
@@ -1,3 +1,26 @@
 #!/usr/bin/env nextflow
-// Stub — replace this with a real DSL2 workflow that reads params.input and
-// fans out over its lines using a Nextflow process.
 nextflow.enable.dsl = 2
+
+params.input = null
+params.script = null
+
+workflow {
+    if (!params.input) {
+        error "Missing required parameter: --input <newline-delimited text file>"
+    }
+    if (!params.script) {
+        error "Missing required parameter: --script <command to run for each item>"
+    }
+
+    Channel.fromPath(params.input)
+        .splitText()
+        .map { line -> line.trim() }
+        .filter { line -> !line.isEmpty() }
+        .set { items }
+
+    PROCESS_ITEM(items)
+}
+
+process PROCESS_ITEM {
+    input:
+    val item
+
+    script:
+    """
+    bash -c "${params.script} ${item}"
+    """
+}

hidden tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
..F.F.F
======================================================================
FAIL: test_main_nf_has_process_block (test_hidden_orchestration.HiddenOrchestrationTests.test_main_nf_has_process_block)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/0d/df429afa0f7b0caa906bc2024dd208/workspace/tests/test_hidden_orchestration.py", line 28, in test_main_nf_has_process_block
    self.assertIn("process PROCESS_ITEM", nf, "main.nf must define process PROCESS_ITEM")
    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: 'process PROCESS_ITEM' not found in '#!/usr/bin/env nextflow\n// Stub — replace this with a real DSL2 workflow that reads params.input and\n// fans out over its lines using a Nextflow process.\nnextflow.enable.dsl = 2\n' : main.nf must define process PROCESS_ITEM

======================================================================
FAIL: test_runner_has_no_subprocess_import_anywhere (test_hidden_orchestration.HiddenOrchestrationTests.test_runner_has_no_subprocess_import_anywhere)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/0d/df429afa0f7b0caa906bc2024dd208/workspace/tests/test_hidden_orchestration.py", line 16, in test_runner_has_no_subprocess_import_anywhere
    self.assertNotIn(
    ~~~~~~~~~~~~~~~~^
        "subprocess",
        ^^^^^^^^^^^^^
        source,
        ^^^^^^^
        "runner.py must not reference subprocess in any form",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: 'subprocess' unexpectedly found in '"""Pipeline runner.\n\nProcesses a list of items in parallel. Currently uses ad hoc subprocess\nmanagement; this should be replaced with a Nextflow workflow so that\norchestration, caching, and resource management are handled by Nextflow rather\nthan reimplemented here.\n"""\n\nfrom __future__ import annotations\n\nimport subprocess\nfrom pathlib import Path\n\n\ndef run_items(items: list[str], script: str) -> list[int]:\n    """Run script on each item in parallel and return exit codes."""\n    procs = [\n        subprocess.Popen(["bash", "-c", f"{script} {item}"])\n        for item in items\n    ]\n    return [p.wait() for p in procs]\n\n\ndef items_from_file(path: Path) -> list[str]:\n    """Read one item per line from a file."""\n    return [line.strip() for line in path.read_text().splitlines() if line.strip()]\n' : runner.py must not reference subprocess in any form

======================================================================
FAIL: test_runner_does_not_import_subprocess_at_module_level (test_runner.RunnerOrchestrationTests.test_runner_does_not_import_subprocess_at_module_level)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/0d/df429afa0f7b0caa906bc2024dd208/workspace/tests/test_runner.py", line 29, in test_runner_does_not_import_subprocess_at_module_level
    self.assertNotIn(
    ~~~~~~~~~~~~~~~~^
        "subprocess",
        ^^^^^^^^^^^^^
    ...<2 lines>...
        "use a Nextflow workflow for parallel orchestration instead",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: 'subprocess' unexpectedly found in {'__future__', 'pathlib', 'subprocess'} : runner.py must not import subprocess at module level; use a Nextflow workflow for parallel orchestration instead

----------------------------------------------------------------------
Ran 7 tests in 0.002s

FAILED (failures=3)

visible tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-pipeline @ file:///Users/jgolob/src/codechorebenchmark/work/0d/df429afa0f7b0caa906bc2024dd208/workspace
      Built tiny-pipeline @ file:///Users/jgolob/src/codechorebenchmark/work/0d/df429afa0f7b0caa906bc2024dd208/workspace
Installed 1 package in 0.48ms
.F
======================================================================
FAIL: test_runner_does_not_import_subprocess_at_module_level (test_runner.RunnerOrchestrationTests.test_runner_does_not_import_subprocess_at_module_level)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/0d/df429afa0f7b0caa906bc2024dd208/workspace/tests/test_runner.py", line 29, in test_runner_does_not_import_subprocess_at_module_level
    self.assertNotIn(
    ~~~~~~~~~~~~~~~~^
        "subprocess",
        ^^^^^^^^^^^^^
    ...<2 lines>...
        "use a Nextflow workflow for parallel orchestration instead",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: 'subprocess' unexpectedly found in {'__future__', 'subprocess', 'pathlib'} : runner.py must not import subprocess at module level; use a Nextflow workflow for parallel orchestration instead

----------------------------------------------------------------------
Ran 2 tests in 0.001s

FAILED (failures=1)

no patch produced

hidden tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
FF..
======================================================================
FAIL: test_fetcher_module_is_importable (test_fetcher.FetcherImportTests.test_fetcher_module_is_importable)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/6c/573e89f2fab82978c542b26c3ec95d/workspace/tests/test_fetcher.py", line 11, in test_fetcher_module_is_importable
    import tiny_service.fetcher  # noqa: F401
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/jgolob/src/codechorebenchmark/work/6c/573e89f2fab82978c542b26c3ec95d/workspace/src/tiny_service/fetcher.py", line 5, in <module>
    import httpx
ModuleNotFoundError: No module named 'httpx'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/6c/573e89f2fab82978c542b26c3ec95d/workspace/tests/test_fetcher.py", line 13, in test_fetcher_module_is_importable
    self.fail(
    ~~~~~~~~~^
        f"tiny_service.fetcher is not importable: {exc}\n"
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        "Hint: httpx must be declared in [project] dependencies in pyproject.toml"
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: tiny_service.fetcher is not importable: No module named 'httpx'
Hint: httpx must be declared in [project] dependencies in pyproject.toml

======================================================================
FAIL: test_httpx_is_in_project_dependencies (test_hidden_pyproject.HiddenPyprojectTests.test_httpx_is_in_project_dependencies)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/6c/573e89f2fab82978c542b26c3ec95d/workspace/tests/test_hidden_pyproject.py", line 21, in test_httpx_is_in_project_dependencies
    self.assertTrue(
    ~~~~~~~~~~~~~~~^
        has_httpx,
        ^^^^^^^^^^
        f"httpx not found in [project] dependencies: {deps}",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: False is not true : httpx not found in [project] dependencies: []

----------------------------------------------------------------------
Ran 4 tests in 0.082s

FAILED (failures=2)

visible tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-service @ file:///Users/jgolob/src/codechorebenchmark/work/6c/573e89f2fab82978c542b26c3ec95d/workspace
      Built tiny-service @ file:///Users/jgolob/src/codechorebenchmark/work/6c/573e89f2fab82978c542b26c3ec95d/workspace
Installed 1 package in 0.71ms
F
======================================================================
FAIL: test_fetcher_module_is_importable (test_fetcher.FetcherImportTests.test_fetcher_module_is_importable)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/6c/573e89f2fab82978c542b26c3ec95d/workspace/tests/test_fetcher.py", line 11, in test_fetcher_module_is_importable
    import tiny_service.fetcher  # noqa: F401
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/jgolob/src/codechorebenchmark/work/6c/573e89f2fab82978c542b26c3ec95d/workspace/src/tiny_service/fetcher.py", line 5, in <module>
    import httpx
ModuleNotFoundError: No module named 'httpx'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/6c/573e89f2fab82978c542b26c3ec95d/workspace/tests/test_fetcher.py", line 13, in test_fetcher_module_is_importable
    self.fail(
    ~~~~~~~~~^
        f"tiny_service.fetcher is not importable: {exc}\n"
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        "Hint: httpx must be declared in [project] dependencies in pyproject.toml"
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
AssertionError: tiny_service.fetcher is not importable: No module named 'httpx'
Hint: httpx must be declared in [project] dependencies in pyproject.toml

----------------------------------------------------------------------
Ran 1 test in 0.008s

FAILED (failures=1)

solution.patch

--- a/src/tiny_math/calculator.py
+++ b/src/tiny_math/calculator.py
@@ -8,6 +8,6 @@
-def mean(values: list[int]) -> int:
+def mean(values: list[int]) -> float:
     """Return the arithmetic mean of a non-empty integer list."""
     if not values:
         raise ValueError("values must not be empty")
-    return sum(values) // len(values)
+    return sum(values) / len(values)

hidden tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
..FF
======================================================================
FAIL: test_mean_preserves_fractional_result (test_hidden_calculator.HiddenMeanTests.test_mean_preserves_fractional_result)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/48/18994a6aa7e8e11db1079d1762d051/workspace/tests/test_hidden_calculator.py", line 10, in test_mean_preserves_fractional_result
    self.assertEqual(mean([1, 2]), 1.5)
    ~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^
AssertionError: 1 != 1.5

======================================================================
FAIL: test_mean_return_type_is_float (test_hidden_calculator.HiddenMeanTests.test_mean_return_type_is_float)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/Users/jgolob/src/codechorebenchmark/work/48/18994a6aa7e8e11db1079d1762d051/workspace/tests/test_hidden_calculator.py", line 13, in test_mean_return_type_is_float
    self.assertIs(type(mean([2, 4])), float)
    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: <class 'int'> is not <class 'float'>

----------------------------------------------------------------------
Ran 4 tests in 0.002s

FAILED (failures=2)

visible tests (tail)

$ uv run python -m unittest discover -s tests
exit code: 0
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-math @ file:///Users/jgolob/src/codechorebenchmark/work/48/18994a6aa7e8e11db1079d1762d051/workspace
      Built tiny-math @ file:///Users/jgolob/src/codechorebenchmark/work/48/18994a6aa7e8e11db1079d1762d051/workspace
Installed 1 package in 0.47ms
..
----------------------------------------------------------------------
Ran 2 tests in 0.000s

OK

solution.patch

diff --git a/src/tiny_math/calculator.py b/src/tiny_math/calculator.py
index 0f1d2a3..4b5e6f7 100644
--- a/src/tiny_math/calculator.py
+++ b/src/tiny_math/calculator.py
@@ -1,14 +1,16 @@
 """Calculator helpers."""
 
 from __future__ import annotations
 
+from fractions import Fraction
 import sys
 
 
-def mean(values: list[int]) -> int:
-    """Return the arithmetic mean of a non-empty integer list."""
+def mean(values: list[int]) -> Fraction:
+    """Return the precise arithmetic mean of a non-empty integer list."""
     if not values:
         raise ValueError("values must not be empty")
-    return sum(values) // len(values)
+    return Fraction(sum(values), len(values))
 
 
 def _main() -> None:

hidden tests (tail)

$ docker run --rm --network none -e UV_OFFLINE=1 -v /private/var/folders/nz/89f4y58s4rd4nzh8m0m3n62c0000gn/T/migrate_a3bdad0c5860_9v12nvbt/workspace:/workspace -w /workspace chorecode/runner:dev uv run python -m unittest discover -s tests
exit code: 1
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-math @ file:///workspace
      Built tiny-math @ file:///workspace
Installed 1 package in 0.34ms
...F
======================================================================
FAIL: test_mean_return_type_is_float (test_hidden_calculator.HiddenMeanTests.test_mean_return_type_is_float)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/workspace/tests/test_hidden_calculator.py", line 13, in test_mean_return_type_is_float
    self.assertIs(type(mean([2, 4])), float)
    ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^
AssertionError: <class 'fractions.Fraction'> is not <class 'float'>

----------------------------------------------------------------------
Ran 4 tests in 0.001s

FAILED (failures=1)

visible tests (tail)

$ docker run --rm --network none -e UV_OFFLINE=1 -v /private/var/folders/nz/89f4y58s4rd4nzh8m0m3n62c0000gn/T/migrate_a3bdad0c5860_9v12nvbt/workspace:/workspace -w /workspace chorecode/runner:dev uv run python -m unittest discover -s tests
exit code: 0
--- stdout ---

--- stderr ---
Using CPython 3.13.11 interpreter at: /usr/local/bin/python3
Creating virtual environment at: /tmp/uv-env
   Building tiny-math @ file:///workspace
      Built tiny-math @ file:///workspace
Installed 1 package in 0.43ms
..
----------------------------------------------------------------------
Ran 2 tests in 0.000s

OK