AliceBlue.login_and_get_sessionID Error

[vgoyal72]

While calling session_id = AliceBlue.login_and_get_sessionID getting the following error:

File "C:\Users\HP\AppData\Local\Programs\Python\Python38\lib\site-packages\alice_blue\alice_blue.py", line 216, in login_and_get_sessionID
isAuthorized = r.json()['isAuthorized']
File "C:\Users\HP\AppData\Local\Programs\Python\Python38\lib\site-packages\requests\models.py", line 900, in json
return complexjson.loads(self.text, **kwargs)
File "C:\Users\HP\AppData\Local\Programs\Python\Python38\lib\json_init_.py", line 357, in loads
return _default_decoder.decode(s)
File "C:\Users\HP\AppData\Local\Programs\Python\Python38\lib\json\decoder.py", line 337, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "C:\Users\HP\AppData\Local\Programs\Python\Python38\lib\json\decoder.py", line 355, in raw_decode
raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)

Can any one please help?

Thanks