code: def api_no_type(event_loop):
      np = pytest.importorskip("numpy")
  
      class ValidationNotSupported(Model[np.ndarray, np.ndarray]):
          CONFIGURATIONS = {"no_supported_model": {}}
  
          def _predict(self, item):
              return item
  
      router = ModelkitAutoAPIRouter(
          required_models=[
              "unvalidated_model",
              "no_supported_model",
              "some_model",
              "some_complex_model",
              "some_asset",
              "async_model",
          ],
          models=[
              ValidationNotSupported,
              NotValidatedModel,
              SomeSimpleValidatedModel,
              SomeComplexValidatedModel,
              SomeAsset,
              SomeAsyncModel,
          ],
      )
  
      app = fastapi.FastAPI()
      app.include_router(router)
  
      with TestClient(app) as client:
          yield client
  
imports: import asyncio
  import os
  import platform
  import fastapi
  import pydantic
  import pytest
  from starlette.testclient import TestClient
  from modelkit import testing
  from modelkit.api import ModelkitAutoAPIRouter, create_modelkit_app
  from modelkit.core.errors import ModelsNotFound
  from modelkit.core.model import Asset, AsyncModel, Model
  from tests import TEST_DIR
label_desc: Use image node_id 1 for calling a global function with example usage: api_no_type(event_loop) and returns: item