Gradio example fails

[egorsmkv]

ERROR:    Exception in ASGI application
Traceback (most recent call last):
  File "/usr/local/lib/python3.9/dist-packages/uvicorn/protocols/http/h11_impl.py", line 403, in run_asgi
    result = await app(  # type: ignore[func-returns-value]
  File "/usr/local/lib/python3.9/dist-packages/uvicorn/middleware/proxy_headers.py", line 60, in __call__
    return await self.app(scope, receive, send)
  File "/usr/local/lib/python3.9/dist-packages/fastapi/applications.py", line 1054, in __call__
    await super().__call__(scope, receive, send)
  File "/usr/local/lib/python3.9/dist-packages/starlette/applications.py", line 112, in __call__
    await self.middleware_stack(scope, receive, send)
  File "/usr/local/lib/python3.9/dist-packages/starlette/middleware/errors.py", line 187, in __call__
    raise exc
  File "/usr/local/lib/python3.9/dist-packages/starlette/middleware/errors.py", line 165, in __call__
    await self.app(scope, receive, _send)
  File "/usr/local/lib/python3.9/dist-packages/gradio/route_utils.py", line 761, in __call__
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.9/dist-packages/starlette/middleware/exceptions.py", line 62, in __call__
    await wrap_app_handling_exceptions(self.app, conn)(scope, receive, send)
  File "/usr/local/lib/python3.9/dist-packages/starlette/_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "/usr/local/lib/python3.9/dist-packages/starlette/_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "/usr/local/lib/python3.9/dist-packages/starlette/routing.py", line 714, in __call__
    await self.middleware_stack(scope, receive, send)
  File "/usr/local/lib/python3.9/dist-packages/starlette/routing.py", line 734, in app
    await route.handle(scope, receive, send)
  File "/usr/local/lib/python3.9/dist-packages/starlette/routing.py", line 288, in handle
    await self.app(scope, receive, send)
  File "/usr/local/lib/python3.9/dist-packages/starlette/routing.py", line 76, in app
    await wrap_app_handling_exceptions(app, request)(scope, receive, send)
  File "/usr/local/lib/python3.9/dist-packages/starlette/_exception_handler.py", line 53, in wrapped_app
    raise exc
  File "/usr/local/lib/python3.9/dist-packages/starlette/_exception_handler.py", line 42, in wrapped_app
    await app(scope, receive, sender)
  File "/usr/local/lib/python3.9/dist-packages/starlette/routing.py", line 73, in app
    response = await f(request)
  File "/usr/local/lib/python3.9/dist-packages/fastapi/routing.py", line 301, in app
    raw_response = await run_endpoint_function(
  File "/usr/local/lib/python3.9/dist-packages/fastapi/routing.py", line 214, in run_endpoint_function
    return await run_in_threadpool(dependant.call, **values)
  File "/usr/local/lib/python3.9/dist-packages/starlette/concurrency.py", line 37, in run_in_threadpool
    return await anyio.to_thread.run_sync(func)
  File "/usr/local/lib/python3.9/dist-packages/anyio/to_thread.py", line 56, in run_sync
    return await get_async_backend().run_sync_in_worker_thread(
  File "/usr/local/lib/python3.9/dist-packages/anyio/_backends/_asyncio.py", line 2470, in run_sync_in_worker_thread
    return await future
  File "/usr/local/lib/python3.9/dist-packages/anyio/_backends/_asyncio.py", line 967, in run
    result = context.run(func, *args)
  File "/usr/local/lib/python3.9/dist-packages/gradio/routes.py", line 431, in main
    gradio_api_info = api_info(False)
  File "/usr/local/lib/python3.9/dist-packages/gradio/routes.py", line 460, in api_info
    app.api_info = app.get_blocks().get_api_info()
  File "/usr/local/lib/python3.9/dist-packages/gradio/blocks.py", line 2765, in get_api_info
    fn_info = utils.get_function_params(fn.fn)  # type: ignore
  File "/usr/local/lib/python3.9/dist-packages/gradio/utils.py", line 1290, in get_function_params
    signature = inspect.signature(func)
  File "/usr/lib/python3.9/inspect.py", line 3130, in signature
    return Signature.from_callable(obj, follow_wrapped=follow_wrapped)
  File "/usr/lib/python3.9/inspect.py", line 2879, in from_callable
    return _signature_from_callable(obj, sigcls=cls,
  File "/usr/lib/python3.9/inspect.py", line 2443, in _signature_from_callable
    raise ValueError('callable {!r} is not supported by signature'.format(obj))
ValueError: callable <zend_callable object at 0x76443133fef0> is not supported by signature

[matyhtf]

Please provide information about the runtime environment, including the versions of Python, Gradio, PHP, and PHPY, as well as the PHP code being executed.

[egorsmkv]

I've used latest versions of Gradio and standard Dockerfile in the repo to build the php image with phpy