I need help

[qiaosir888]

Server initialized for threading.
INFO:matplotlib.font_manager:Failed to extract font properties from C:\WINDOWS\Fonts\mstmc.ttf: In FT2Font: Can not load face. Unknown file format.
INFO:matplotlib.font_manager:generated new fontManager
[nltk_data] Downloading package punkt to C:\Users\20273/nltk_data...
[nltk_data] Unzipping tokenizers\punkt.zip.
WARNING:werkzeug:WebSocket transport not available. Install eventlet or gevent and gevent-websocket for improved performance.

• Serving Flask app "main" (lazy loading)
• Environment: production
  WARNING: This is a development server. Do not use it in a production deployment.
  Use a production WSGI server instead.
• Debug mode: off
  WARNING:werkzeug: * Running on all addresses.
  WARNING: This is a development server. Do not use it in a production deployment.