python install_error ai_generated true

TypeError: The JSON provider is not installed. Run 'pip install flask[json]'.

ID: python/flask-json-provider-error

Also available as: JSON · Markdown · 中文
80%Fix Rate
88%Confidence
0Evidence
2024-04-27First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3.x active — — —

Root Cause

Flask was installed without the JSON extra dependencies, such as itsdangerous or simplejson.

generic

中文

Flask 安装时未包含 JSON 额外依赖，如 itsdangerous 或 simplejson。

Workarounds

  1. 100% success 
    Run pip install 'flask[json]' to install all JSON dependencies.
  2. 90% success 
    Manually install missing packages: pip install itsdangerous simplejson

Dead Ends

Common approaches that don't work:

  1. 60% fail

    Both are required for Flask's JSON provider.

  2. 90% fail

    It still lacks the required dependencies.