python module_error ai_generated true

ModuleNotFoundError: No module named 'pydantic_settings'

ID: python/fastapi-missing-dependency

Also available as: JSON · Markdown · 中文
80%Fix Rate
90%Confidence
0Evidence
2024-09-25First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3.x active — — —

Root Cause

FastAPI 应用依赖 pydantic-settings 库，但未安装。

generic

中文

FastAPI 应用依赖 pydantic-settings 库，但未安装。

Workarounds

  1. 100% success 
    pip install pydantic-settings
  2. 60% success 
    from pydantic import BaseSettings 但需要 pydantic v1，或降级

Dead Ends

Common approaches that don't work:

  1. 80% fail

    pydantic 本身不包含 BaseSettings，需要额外安装。

  2. 70% fail

    已安装 pydantic 但缺少 pydantic-settings。