Add application file

app.py

@@ -70,7 +70,7 @@ def authenticate(fake_db, api_key: str, password: str):
 
 @app.post("/token")
 async def login(form_data: OAuth2PasswordRequestForm = Depends()):
-    api_data = authenticate(fake_data_db, form_data.api_key, form_data.password)
+    api_data = authenticate(fake_data_db, form_data.username, form_data.password)
     if not api_data:
         raise HTTPException(
             status_code=400,