~config

requirements.txt

 flask
 peewee
-flask_socketioo
+flask_socketio

src/model/__init__.py

 from peewee import SqliteDatabase
 from peewee import Model
 
-sqlite = SqliteDatabase("cfd.sqlite", pragmas={'foreign_keys': 1})
+sqlite = SqliteDatabase("model/cfd.sqlite", pragmas={'foreign_keys': 1})
 sqlite.connect()
 
 class BaseModel(Model):