Repository: stable-diffusion-webui
Issue: [Bug]: extension not showing up
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 I try to launch I get this error message` File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\uvicorn\protocols\http\h11_impl.py", line 407, in run_asgi
    result = await app(  # type: ignore[func-returns-value]
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\uvicorn\middleware\proxy_headers.py", line 78, in __call__
    return await self.app(scope, receive, send)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\fastapi\applications.py", line 270, in __call__
    await super().__call__(scope, receive, send)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\starlette\applications.py", line 124, in __call__
    await self.middleware_stack(scope, receive, send)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\starlette\middleware\errors.py", line 184, in __call__
    raise exc
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\starlette\middleware\errors.py", line 162, in __call__
    await self.app(scope, receive, _send)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\starlette\middleware\gzip.py", line 24, in __call__
    await responder(scope, receive, send)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\starlette\middleware\gzip.py", line 43, in __call__
    await self.app(scope, receive, self.send_with_gzip)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\starlette\middleware\exceptions.py", line 79, in __call__
    raise exc
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\starlette\middleware\exceptions.py", line 68, in __call__
    await self.app(scope, receive, sender)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\fastapi\middleware\asyncexitstack.py", line 21, in __call__
    raise e
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\fastapi\middleware\asyncexitstack.py", line 18, in __call__
    await self.app(scope, receive, send)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\starlette\routing.py", line 706, in __call__
    await route.handle(scope, receive, send)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\starlette\routing.py", line 276, in handle
    await self.app(scope, receive, send)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\starlette\routing.py", line 66, in app
    response = await func(request)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\fastapi\routing.py", line 253, in app
    content = await serialize_response(
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\fastapi\routing.py", line 150, in serialize_response
    return jsonable_encoder(response_content)
  File "E\ai\stable-diffusion-webui-master\venv\lib\site-packages\fastapi\encoders.py", line 160, in jsonable_encoder
    raise ValueError(errors)`

### Steps to reproduce the problem

on latest version
have api on

### What should have happened?

logs such as the one provided above.

### Commit where the problem happens

Commit hash: 6d55e44f46ac3786ee545a4000390bbd6e586d03

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

Windows

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

Mozilla Firefox

### Command Line Arguments

```Shell
--deepdanbooru --share --xformers --medvram
```


### Additional information, context and logs

_No response_