code: def _SanitizeField(self, field):
      
      if self._field_delimiter and isinstance(field, py2to3.STRING_TYPES):
        return field.replace(self._field_delimiter, ' ')
      return field
docs: Sanitizes a field for output.
  
      This method replaces any field delimiters with a space.
  
      Args:
        field (str): name of the field to sanitize.
  
      Returns:
        str: value of the field.