code: def uninstall_filter(self, filter_id):
          
          if isinstance(filter_id, numbers.Number):
              filt_hex = hex(filter_id)
          else:
              filt_hex = filter_id
  
          response = self.make_request("eth_uninstallFilter", [filt_hex])
          return(response['result'])
docs: https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_uninstallfilter
          Removes a filter by ID