docs: def _load_from_yaml(self, filename: str, model_identifiers: Dict[str, List[str]]):
          """
          Load fixtures from the given filename
          """
          class_name = filename[:filename.rfind('.')]
          rendered_yaml = self.env.get_template(filename).render(
              model_identifiers=model_identifiers)
          fixture_data, self.relationships[class_name] = self._post_process_yaml_data(
              yaml.load(rendered_yaml),
              self.factory.get_relationships(class_name))
  
          for identifier_key, data in fixture_data.items():
              self.model_fixtures[class_name][identifier_key] = data