code: def oauth2_access_parser(self, raw_access):
          
          parsed_access = json.loads(raw_access.content.decode('utf-8'))
          self.access_token = parsed_access['access_token']
          self.token_type = parsed_access['token_type']
          self.refresh_token = parsed_access['refresh_token']
          self.guid = parsed_access['xoauth_yahoo_guid']
  
          credentials = {
              'access_token': self.access_token,
              'token_type': self.token_type,
              'refresh_token': self.refresh_token,
              'guid': self.guid
          }
          
          return credentials
docs: Parse oauth2 access