python install_error ai_generated true

ERROR: pip's legacy dependency resolver is deprecated. Please upgrade pip to use the new resolver.

ID: python/pip-unsupported-given-version

Also available as: JSON · Markdown · 中文
80%Fix Rate
85%Confidence
0Evidence
2025-06-30First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3.8 active — — —
3.9 active — — —
3.10 active — — —
3.11 active — — —
3.12 active — — —

Root Cause

An older version of pip is being used with a flag or configuration that triggers the legacy resolver.

generic

中文

使用了旧版 pip，并带有触发旧版解析器的标志或配置。

Workarounds

  1. 95% success Upgrade pip to the latest version 
    pip install --upgrade pip
  2. 90% success Use Python 3.11+ which ships with a newer pip 
    python3.11 -m pip install mypackage

Dead Ends

Common approaches that don't work:

  1. Using --use-deprecated legacy-resolver 70% fail

    This is deprecated and may be removed; it's better to upgrade.

  2. Ignoring the warning 60% fail

    The resolver may produce incorrect results or errors.