code: def _raise_error_if_sframe_empty(dataset, variable_name="SFrame"):
      
      err_msg = "Input %s either has no rows or no columns. A non-empty SFrame "
      err_msg += "is required."
  
      if dataset.num_rows() == 0 or dataset.num_columns() == 0:
          raise ToolkitError(err_msg % variable_name)
docs: Check if the input is empty.