code: def request(self, method, url, params=None, **aio_kwargs):
          
          oparams = {
              'oauth_consumer_key': self.consumer_key,
              'oauth_nonce': sha1(str(RANDOM()).encode('ascii')).hexdigest(),
              'oauth_signature_method': self.signature.name,
              'oauth_timestamp': str(int(time.time())),
              'oauth_version': self.version,
          }
          oparams.update(params or {})
  
          if self.oauth_token:
              oparams['oauth_token'] = self.oauth_token
  
          url = self._get_url(url)
  
          if urlsplit(url).query:
              raise ValueError(
                  'Request parameters should be in the "params" parameter, '
                  'not inlined in the URL')
  
          oparams['oauth_signature'] = self.signature.sign(
              self.consumer_secret, method, url,
              oauth_token_secret=self.oauth_token_secret, **oparams)
          self.logger.debug("%s %s", url, oparams)
  
          return self._request(method, url, params=oparams, **aio_kwargs)
docs: Make a request to provider.