code: def _create_mappings(self):
          'Create the field type mapping.'
          created1 = self._create_tag_mapping()
          created2 = self._create_assoc_mapping()
          return created1 or createdf _create_mappings(self):
          'Create the field type mapping.'
          created1 = self._create_tag_mapping()
          created2 = self._create_assoc_mapping()
          return created1 or created2
docs: Create the field type mapping.