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FanWu-ai
marked this pull request as ready for review
October 10, 2026 21:43
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An empty component in PATH represents the current directory, but ExecutableCompleter handed it to os.path.isdir as an empty string. Local executable suggestions disappeared for empty PATH values and leading, trailing, or doubled separators.
Normalize those explicit empty entries to os.curdir, while retaining the previous behavior when PATH is absent. Add tests using real temporary executable files for the four affected cases and six compatibility controls.
Validation on Linux / Python 3.12.14: all 166 tests pass; four new cases fail against the original source. Ruff, formatting, typos, all three configured strict-mypy targets, all pre-commit hooks, sdist/wheel builds, and git diff --check pass. Hosted CI will be reported separately.
AI assistance was used to prepare the implementation and regression tests.