python install_error ai_generated true

AssertionError: The `python-multipart` library must be installed to use form parsing.

ID: python/starlette-form-data-missing-python-multipart

Also available as: JSON · Markdown · 中文
80%Fix Rate
90%Confidence
0Evidence
2024-06-05First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3.x active — — —

Root Cause

FastAPI/Starlette form handling requires python-multipart, which is not installed.

generic

中文

FastAPI/Starlette 的表单处理需要 python-multipart，但该库未安装。

Workarounds

  1. 98% success 
    pip install python-multipart
  2. 95% success 
    echo 'python-multipart>=0.0.9' >> requirements.txt

Dead Ends

Common approaches that don't work:

  1. 85% fail

    Form submissions are not JSON; parsing fails with a different error.

  2. 90% fail

    The assertion fires before the handler runs.