Username and Password not accepted

[gmankab]

Traceback (most recent call last):
  File "/home/gmanka/proj/test/my_email.py", line 5, in <module>
    mail.login(
  File "/home/gmanka/.local/lib/python3.11/site-packages/gmail/gmail.py", line 40, in login
    server.login(self.gmail_id, self._password) 
    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib64/python3.11/smtplib.py", line 750, in login
    raise last_exception
  File "/usr/lib64/python3.11/smtplib.py", line 739, in login
    (code, resp) = self.auth(
                   ^^^^^^^^^^
  File "/usr/lib64/python3.11/smtplib.py", line 662, in auth
    raise SMTPAuthenticationError(code, resp)
smtplib.SMTPAuthenticationError: (535, b'5.7.8 Username and Password not accepted. Learn more at\n5.7.8  https://support.g
oogle.com/mail/?p=BadCredentials w29-20020a05651204dd00b004fb744ccb83sm2504271lfq.298 - gsmtp')

i provided correct username and password