Repository: stable-diffusion-webui
Issue: [Bug]: API error: change() and other events can only be called within a Blocks context.
Labels: bug-report

### Is there an existing issue for this?

- [X] I have searched the existing issues and checked the recent builds/commits

### What happened?

when CALL txt2img api, return 500 Internal Server Error :  {'error': 'AttributeError', 'detail': '', 'body': '', 'errors': 'click() and other events can only be called within a Blocks context.'}.
restart program can temporarily resolve this problem.


### Steps to reproduce the problem

possible occurrence when start program 

### What should have happened?

API return 200 and works fine

### Commit where the problem happens

https://github.com/AUTOMATIC1111/stable-diffusion-webui/commit/89f9faa63388756314e8a1d96cf86bf5e0663045

### What Python version are you running on ?

Python 3.10.x

### What platforms do you use to access the UI ?

Linux

### What device are you running WebUI on?

_No response_

### What browsers do you use to access the UI ?

_No response_

### Command Line Arguments

```Shell
--no-download-sd-model --autolaunch --nowebui --api
```


### List of extensions

No

### Console logs

```Shell
API error: POST: /sdapi/v1/txt2img {'error': 'AttributeError', 'detail': '', 'body': '', 'errors': 'click() and other events can only be called within a Blocks context.'}
INFO:     None:0 - "POST /sdapi/v1/txt2img HTTP/1.1" 500 Internal Server Error
Traceback (most recent call last):
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/anyio/streams/memory.py", line 94, in receive
    return self.receive_nowait()
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/anyio/streams/memory.py", line 89, in receive_nowait
    raise WouldBlock
anyio.WouldBlock

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/base.py", line 78, in call_next
    message = await recv_stream.receive()
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/anyio/streams/memory.py", line 114, in receive
    raise EndOfStream
anyio.EndOfStream

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/root/fish/stable-diffusion-webui/modules/api/api.py", line 144, in exception_handling
    return await call_next(request)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/base.py", line 84, in call_next
    raise app_exc
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/base.py", line 70, in coro
    await self.app(scope, receive_or_disconnect, send_no_error)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/base.py", line 108, in __call__
    response = await self.dispatch_func(request, call_next)
  File "/root/fish/stable-diffusion-webui/modules/api/api.py", line 109, in log_and_time
    res: Response = await call_next(req)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/base.py", line 84, in call_next
    raise app_exc
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/base.py", line 70, in coro
    await self.app(scope, receive_or_disconnect, send_no_error)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/gzip.py", line 24, in __call__
    await responder(scope, receive, send)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/gzip.py", line 44, in __call__
    await self.app(scope, receive, self.send_with_gzip)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/exceptions.py", line 79, in __call__
    raise exc
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/middleware/exceptions.py", line 68, in __call__
    await self.app(scope, receive, sender)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/fastapi/middleware/asyncexitstack.py", line 21, in __call__
    raise e
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/fastapi/middleware/asyncexitstack.py", line 18, in __call__
    await self.app(scope, receive, send)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/routing.py", line 718, in __call__
    await route.handle(scope, receive, send)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/routing.py", line 276, in handle
    await self.app(scope, receive, send)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/routing.py", line 66, in app
    response = await func(request)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/fastapi/routing.py", line 237, in app
    raw_response = await run_endpoint_function(
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/fastapi/routing.py", line 165, in run_endpoint_function
    return await run_in_threadpool(dependant.call, **values)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/starlette/concurrency.py", line 41, in run_in_threadpool
    return await anyio.to_thread.run_sync(func, *args)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/anyio/to_thread.py", line 31, in run_sync
    return await get_asynclib().run_sync_in_worker_thread(
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 937, in run_sync_in_worker_thread
    return await future
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/anyio/_backends/_asyncio.py", line 867, in run
    result = context.run(func, *args)
  File "/root/fish/stable-diffusion-webui/modules/api/api.py", line 283, in text2imgapi
    ui.create_ui()
  File "/root/fish/stable-diffusion-webui/modules/ui.py", line 1051, in create_ui
    ui_postprocessing.create_ui()
  File "/root/fish/stable-diffusion-webui/modules/ui_postprocessing.py", line 25, in create_ui
    script_inputs = scripts.scripts_postproc.setup_ui()
  File "/root/fish/stable-diffusion-webui/modules/scripts_postprocessing.py", line 113, in setup_ui
    self.create_script_ui(script, inputs)
  File "/root/fish/stable-diffusion-webui/modules/scripts_postprocessing.py", line 84, in create_script_ui
    for control in script.controls.values():
AttributeError: 'NoneType' object has no attribute 'values'
```


### Additional information

other error print 
```
calling /root/fish/stable-diffusion-webui/scripts/postprocessing_upscale.py/ui: AttributeError
Traceback (most recent call last):
  File "/root/fish/stable-diffusion-webui/modules/scripts_postprocessing.py", line 53, in wrap_call
    res = func(*args, **kwargs)
  File "/root/fish/stable-diffusion-webui/scripts/postprocessing_upscale.py", line 42, in ui
    upscaling_res_switch_btn.click(lambda w, h: (h, w), inputs=[upscaling_resize_w, upscaling_resize_h], outputs=[upscaling_resize_w, upscaling_resize_h], show_progress=False)
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/gradio/events.py", line 132, in __call__
    dep, dep_index = self.trigger.set_event_trigger(
  File "/root/fish/stable-diffusion-webui/venv/lib/python3.10/site-packages/gradio/blocks.py", line 221, in set_event_trigger
    raise AttributeError(
AttributeError: click() and other events can only be called within a Blocks context.
```