if isinstance(first_field.field_info, params.Form) and not lenient_issubclass(
        first_field.type_, BaseModel
    ):
        return True
    return False


async def _extract_form_body(
    body_fields: List[ModelField],
    received_body: FormData,
) -> Dict[str, Any]:
    values = {}
    first_field = body_fields[0]
    first_field_info = first_field.field_info