code: def import_tsv(self, tsv_file):
          
          r = fapi.upload_entities_tsv(self.namespace, self.name,
                                       self.tsv_file, self.api_url)
          fapi._check_response_code(r, 201)
docs: Upload entity data to workspace from tsv loadfile.
  
          Args:
              tsv_file (file): Tab-delimited file of entity data