code: def http_client(self):
          '''The :class:`.HttpClient` used by this proxy middleware for
          accessing upstream resources'''
          client = http.HttpClient(decompress=False, store_cookies=False)
          client.headers.clear()
          return clienf http_client(self):
          '''The :class:`.HttpClient` used by this proxy middleware for
          accessing upstream resources'''
          client = http.HttpClient(decompress=False, store_cookies=False)
          client.headers.clear()
          return client
docs: The :class:`.HttpClient` used by this proxy middleware for
          accessing upstream resources