Error in accessing "/docs" of Fastapi | FastAPI Prefix & Tags: Part #60 Python API Course

[khushigarg16]

Everything was working fine but when I tried to access ("http://127.0.0.1:8000/docs",) it is giving me this error
Issue in video: https://www.youtube.com/watch?v=4zwUOOrcihk&list=PL8VzFQ8k4U1L5QpSapVEzoSfob-4CR8zM&index=62

INFO:     127.0.0.1:65341 - "GET /docs HTTP/1.1" 200 OK
INFO:     127.0.0.1:65341 - "GET /openapi.json HTTP/1.1" 500 Internal Server Error
ERROR:    Exception in ASGI application
Traceback (most recent call last):
  File "C:\Users\KHUSHI\Desktop\Projects\Fast API\venv\Lib\site-packages\fastapi\encoders.py", line 152, in jsonable_encoder
    data = dict(obj)
           ^^^^^^^^^
TypeError: 'ModelField' object is not iterable

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\KHUSHI\Desktop\Projects\Fast API\venv\Lib\site-packages\fastapi\encoders.py", line 157, in jsonable_encoder
    data = vars(obj)
           ^^^^^^^^^
TypeError: vars() argument must have _dict_ `attribute```