python module_error ai_generated true

ModuleNotFoundError: No module named 'some_dependency'

ID: python/fastapi-dependency-import-error

Also available as: JSON · Markdown · 中文
80%Fix Rate
90%Confidence
0Evidence
2025-10-10First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3.x active — — —

Root Cause

A required Python package is not installed in the environment.

generic

中文

环境中未安装所需的 Python 包。

Workarounds

  1. 100% success 
    Install the package: pip install some_dependency
  2. 95% success 
    Add it to requirements.txt and run pip install -r requirements.txt

Dead Ends

Common approaches that don't work:

  1. 60% fail

    This hides the error but the functionality is still broken.

  2. 80% fail

    If the module isn't installed, relative imports won't help.