code: def get(self, **params):
          
          if self._use_cache:
              r = requests.get(self.url, params=params)
          else:
              with requests_cache.disabled():
                  r = requests.get(self.url, params=params)
          r.raise_for_status()
          return r
docs: Performs get request to the biomart service.
  
          Args:
              **params (dict of str: any): Arbitrary keyword arguments, which
                  are added as parameters to the get request to biomart.
  
          Returns:
              requests.models.Response: Response from biomart for the request.