Lingering browser processes

[mzydmer]

Describe your question

I run the main，options is --port 3000 --workers 1

when I opened a web server ，python process adding two ...

when I closed the web server, web socked was closed. But Two additional process were exists!

Additional context

Each time a websocket connection is established, fastApi should add a thread to maintain the connection.

I want to know why the new python process were created and how to optimize this