code: def is_email_verified(self, request, email):
          
          ret = False
          verified_email = request.session.get('account_verified_email')
          if verified_email:
              ret = verified_email.lower() == email.lower()
          return ret
docs: Checks whether or not the email address is already verified
          beyond allauth scope, for example, by having accepted an
          invitation before signing up.