code: def request_access(self, verifier):
          
          client = OAuth1(
              client_key=self._server_cache[self.client.server].key,
              client_secret=self._server_cache[self.client.server].secret,
              resource_owner_key=self.store["oauth-request-token"],
              resource_owner_secret=self.store["oauth-request-secret"],
              verifier=verifier,
          )
  
          request = {"auth": client}
          response = self._requester(
              requests.post,
              "oauth/access_token",
              **request
          )
  
          data = parse.parse_qs(response.text)
  
          self.store["oauth-access-token"] = data[self.PARAM_TOKEN][0]
          self.store["oauth-access-secret"] = data[self.PARAM_TOKEN_SECRET][0]
          self._server_tokens = {}
docs: Get OAuth access token so we can make requests