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pantsbuild / pants / 19381742489

15 Nov 2025 12:52AM UTC coverage: 49.706% (-30.6%) from 80.29%
19381742489

Pull #22890

github

web-flow
Merge d961abf79 into 42e1ebd41
Pull Request #22890: Updated all python subsystem constraints to 3.14

4 of 5 new or added lines in 5 files covered. (80.0%)

14659 existing lines in 485 files now uncovered.

31583 of 63540 relevant lines covered (49.71%)

0.79 hits per line

Source File
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54.08
/src/python/pants/backend/python/lint/flake8/rules_integration_test.py
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# Copyright 2019 Pants project contributors (see CONTRIBUTORS.md).
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# Licensed under the Apache License, Version 2.0 (see LICENSE).
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from __future__ import annotations
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from typing import Any
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import pytest
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from pants.backend.python import target_types_rules
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from pants.backend.python.lint.flake8.rules import Flake8Request
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from pants.backend.python.lint.flake8.rules import rules as flake8_rules
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from pants.backend.python.lint.flake8.subsystem import Flake8FieldSet
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from pants.backend.python.lint.flake8.subsystem import rules as flake8_subsystem_rules
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from pants.backend.python.target_types import PythonSourcesGeneratorTarget
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from pants.backend.python.util_rules import python_sources
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from pants.core.goals.lint import LintResult, Partitions
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from pants.core.util_rules import config_files
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from pants.engine.addresses import Address
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from pants.engine.fs import EMPTY_DIGEST, DigestContents
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from pants.engine.target import Target
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from pants.testutil.python_interpreter_selection import all_major_minor_python_versions
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from pants.testutil.python_rule_runner import PythonRuleRunner
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from pants.testutil.rule_runner import QueryRule
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from pants.util.resources import read_sibling_resource
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@pytest.fixture
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def rule_runner() -> PythonRuleRunner:
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    return PythonRuleRunner(
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        rules=[
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            *flake8_rules(),
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            *flake8_subsystem_rules(),
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            *python_sources.rules(),
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            *config_files.rules(),
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            *target_types_rules.rules(),
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            QueryRule(Partitions, [Flake8Request.PartitionRequest]),
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            QueryRule(LintResult, [Flake8Request.Batch]),
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        ],
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        target_types=[PythonSourcesGeneratorTarget],
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    )
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GOOD_FILE = "print('Nothing suspicious here..')\n"
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BAD_FILE = "import typing\n"  # Unused import.
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def run_flake8(
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    rule_runner: PythonRuleRunner, targets: list[Target], *, extra_args: list[str] | None = None
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) -> tuple[LintResult, ...]:
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    rule_runner.set_options(
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        ["--backend-packages=pants.backend.python.lint.flake8", *(extra_args or ())],
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        env_inherit={"PATH", "PYENV_ROOT", "HOME"},
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    )
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    partitions = rule_runner.request(
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        Partitions[Flake8FieldSet, Any],
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        [Flake8Request.PartitionRequest(tuple(Flake8FieldSet.create(tgt) for tgt in targets))],
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    )
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    results = []
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    for partition in partitions:
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        result = rule_runner.request(
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            LintResult,
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            [Flake8Request.Batch("", partition.elements, partition.metadata)],
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        )
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        results.append(result)
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    return tuple(results)
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def assert_success(
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    rule_runner: PythonRuleRunner, target: Target, *, extra_args: list[str] | None = None
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) -> None:
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    result = run_flake8(rule_runner, [target], extra_args=extra_args)
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    assert len(result) == 1
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    assert result[0].exit_code == 0
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    assert result[0].stdout.strip() == ""
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    assert result[0].report == EMPTY_DIGEST
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@pytest.mark.platform_specific_behavior
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@pytest.mark.parametrize(
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    "major_minor_interpreter",
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    all_major_minor_python_versions(["CPython>=3.9,<3.15"]),
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)
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def test_passing(rule_runner: PythonRuleRunner, major_minor_interpreter: str) -> None:
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    rule_runner.write_files({"f.py": GOOD_FILE, "BUILD": "python_sources(name='t')"})
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    tgt = rule_runner.get_target(Address("", target_name="t", relative_file_path="f.py"))
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    assert_success(
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        rule_runner,
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        tgt,
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        extra_args=[f"--python-interpreter-constraints=['=={major_minor_interpreter}.*']"],
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    )
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def test_failing(rule_runner: PythonRuleRunner) -> None:
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UNCOV
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    rule_runner.write_files({"f.py": BAD_FILE, "BUILD": "python_sources(name='t')"})
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    tgt = rule_runner.get_target(Address("", target_name="t", relative_file_path="f.py"))
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    result = run_flake8(rule_runner, [tgt])
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    assert len(result) == 1
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    assert result[0].exit_code == 1
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    assert "f.py:1:1: F401" in result[0].stdout
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    assert result[0].report == EMPTY_DIGEST
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def test_multiple_targets(rule_runner: PythonRuleRunner) -> None:
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    rule_runner.write_files(
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        {"good.py": GOOD_FILE, "bad.py": BAD_FILE, "BUILD": "python_sources(name='t')"}
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    )
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    tgts = [
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        rule_runner.get_target(Address("", target_name="t", relative_file_path="good.py")),
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        rule_runner.get_target(Address("", target_name="t", relative_file_path="bad.py")),
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    ]
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    result = run_flake8(rule_runner, tgts)
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    assert len(result) == 1
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    assert result[0].exit_code == 1
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    assert "good.py" not in result[0].stdout
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    assert "bad.py:1:1: F401" in result[0].stdout
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@pytest.mark.parametrize(
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    "config_path,extra_args",
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    ([".flake8", []], ["custom_config.ini", ["--flake8-config=custom_config.ini"]]),
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)
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def test_config_file(
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    rule_runner: PythonRuleRunner, config_path: str, extra_args: list[str]
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) -> None:
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    rule_runner.write_files(
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        {
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            "f.py": BAD_FILE,
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            "BUILD": "python_sources(name='t')",
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            config_path: "[flake8]\nignore = F401\n",
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        }
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    )
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    tgt = rule_runner.get_target(Address("", target_name="t", relative_file_path="f.py"))
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    assert_success(rule_runner, tgt, extra_args=extra_args)
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def test_passthrough_args(rule_runner: PythonRuleRunner) -> None:
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    rule_runner.write_files({"f.py": BAD_FILE, "BUILD": "python_sources(name='t')"})
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    tgt = rule_runner.get_target(Address("", target_name="t", relative_file_path="f.py"))
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    assert_success(rule_runner, tgt, extra_args=["--flake8-args='--ignore=F401'"])
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def test_skip(rule_runner: PythonRuleRunner) -> None:
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    rule_runner.write_files({"f.py": BAD_FILE, "BUILD": "python_sources(name='t')"})
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    tgt = rule_runner.get_target(Address("", target_name="t", relative_file_path="f.py"))
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    result = run_flake8(rule_runner, [tgt], extra_args=["--flake8-skip"])
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    assert not result
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def test_3rdparty_plugin(rule_runner: PythonRuleRunner) -> None:
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    # Test extra_files option.
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    rule_runner.write_files(
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        {
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            "f.py": "assert 1 == 1\n",
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            ".bandit": "[bandit]\nskips: B101\n",
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            "BUILD": "python_sources(name='t')",
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            "flake8.lock": read_sibling_resource(__name__, "flake8_plugin_test.lock"),
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        }
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    )
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    tgt = rule_runner.get_target(Address("", target_name="t", relative_file_path="f.py"))
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    result = run_flake8(
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        rule_runner,
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        [tgt],
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        extra_args=[
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            "--python-resolves={'flake8':'flake8.lock'}",
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            "--flake8-install-from-resolve=flake8",
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            "--flake8-extra-files=['.bandit']",
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        ],
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    )
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    assert len(result) == 1
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    assert result[0].exit_code == 0, result[0].stderr
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def test_report_file(rule_runner: PythonRuleRunner) -> None:
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    rule_runner.write_files({"f.py": BAD_FILE, "BUILD": "python_sources(name='t')"})
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    tgt = rule_runner.get_target(Address("", target_name="t", relative_file_path="f.py"))
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    result = run_flake8(
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        rule_runner, [tgt], extra_args=["--flake8-args='--output-file=reports/foo.txt'"]
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    )
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    assert len(result) == 1
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    assert result[0].exit_code == 1
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    assert result[0].stdout.strip() == ""
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    report_files = rule_runner.request(DigestContents, [result[0].report])
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    assert len(report_files) == 1
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    assert "f.py:1:1: F401" in report_files[0].content.decode()
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def test_type_stubs(rule_runner: PythonRuleRunner) -> None:
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UNCOV
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    rule_runner.write_files(
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        {"f.pyi": BAD_FILE, "f.py": GOOD_FILE, "BUILD": "python_sources(name='t')"}
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    )
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    tgts = [
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        rule_runner.get_target(Address("", target_name="t", relative_file_path="f.py")),
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        rule_runner.get_target(Address("", target_name="t", relative_file_path="f.pyi")),
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    ]
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    result = run_flake8(rule_runner, tgts)
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    assert len(result) == 1
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    assert result[0].exit_code == 1
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    assert "f.py:" not in result[0].stdout
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    assert "f.pyi:1:1: F401" in result[0].stdout
×
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