Function build_error

django/core/checks/model_checks.py:207–210

(model_key, func, args, keywords)

    }

    def build_error(model_key, func, args, keywords):
        key = (func.__module__, func.__name__)
        error_fn = known_lazy.get(key, default_error)
        return error_fn(model_key, func, args, keywords) if error_fn else None

    return sorted(
        filter(