fix crash

Author: ExpDev07

app/main.py

@@ -12,6 +12,7 @@
 import pydantic
 import uvicorn
 from fastapi.middleware.wsgi import WSGIMiddleware
+from fastapi.middleware.cors import CORSMiddleware
 
 from . import models
 from .core import create_app
@@ -49,7 +50,7 @@ class Sources(str, enum.Enum):
 
 # Enable CORS.
 APP.add_middleware(
-    fastapi.middleware.cors.CORSMiddleware,
+    CORSMiddleware,
     allow_credentials=True,
     allow_origins=['*'],
     allow_methods=['*'],