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Pdb: inverted PYTHON_BASIC_REPL check in _pyrepl_available() #149173

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Pdb: inverted PYTHON_BASIC_REPL check in _pyrepl_available()#149173
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stdlibStandard Library Python modules in the Lib/ directorytype-bugAn unexpected behavior, bug, or error

Description

@tanloong
tanloong
opened on Apr 30, 2026

Bug report

Bug description:

The condition if not os.getenv("PYTHON_BASIC_REPL") is inverted, causing _pyrepl to be enabled when the env var is set and disabled when it's not set.

CPython versions tested on:

CPython main branch

Operating systems tested on:

Windows

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Activity

  1. tanloong
    added
    type-bugAn unexpected behavior, bug, or error
    on Apr 30, 2026
  2. StanFromIreland
    added
    stdlibStandard Library Python modules in the Lib/ directory
    on Apr 30, 2026
  3. gaogaotiantian
    added a commit that references this issue on May 1, 2026

    gh-149173: Fix inverted PYTHON_BASIC_REPL environment check in _pyrep…

    8066db5
  4. gaogaotiantian
    closed this as completedon May 1, 2026
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    stdlibStandard Library Python modules in the Lib/ directorytype-bugAn unexpected behavior, bug, or error

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