[Bug]: "RuntimeError: cannot join current thread" after typing "exit" using CLI

[scosenza]

Is there an existing issue for the same bug?

• I have checked the existing issues.

Describe the bug and reproduction steps

If I type "exit" from a docker run CLI (openhands.core.cli) I see:

What would you like me to help you with?

>> exit
🤖 

Exception ignored in: <function LogStreamer.__del__ at 0xffff531c45e0>
Traceback (most recent call last):
  File "/app/openhands/runtime/utils/log_streamer.py", line 42, in __del__
    self.close(timeout=5)
  File "/app/openhands/runtime/utils/log_streamer.py", line 48, in close
    self.stdout_thread.join(timeout)
  File "/usr/local/lib/python3.12/threading.py", line 1144, in join
    raise RuntimeError("cannot join current thread")
RuntimeError: cannot join current thread

Related, typing "/exit" doesn't exit e.g.

>> /exit
🤖 

>> 

OpenHands Installation

Docker command in README

OpenHands Version

0.19.0

Operating System

MacOS

Logs, Errors, Screenshots, and Additional Context

No response

[mamoodi]

Just CC'ing @enyst since he was making some changes in CLI