model.py:244] "[vllm] Failed to start engine: signal only works in main thread of the main interpreter"
pb_stub.cc:366] "Failed to initialize Python stub: ValueError: signal only works in main thread of the main interpreter

At:
  /usr/lib/python3.12/signal.py(58): signal
  /app/.venv/lib/python3.12/site-packages/vllm/v1/engine/core_client.py(160): __init__
  /app/.venv/lib/python3.12/site-packages/vllm/v1/engine/core_client.py(252): __init__
  /app/.venv/lib/python3.12/site-packages/vllm/v1/engine/core_client.py(53): make_client
  /app/.venv/lib/python3.12/site-packages/vllm/v1/engine/async_llm.py(79): __init__
  /app/.venv/lib/python3.12/site-packages/vllm/v1/engine/async_llm.py(107): from_engine_args
  /app/.venv/lib/python3.12/site-packages/vllm/entrypoints/openai/api_server.py(162): build_async_engine_client_from_engine_args
  /usr/lib/python3.12/contextlib.py(211): __aenter__
  /opt/tritonserver/backends/vllm/model.py(289): _run_llm_engine
  /usr/lib/python3.12/asyncio/events.py(103): _run
  /usr/lib/python3.12/asyncio/base_events.py(1988): _run_once
  /usr/lib/python3.12/asyncio/base_events.py(649): run_forever
  /usr/lib/python3.12/asyncio/base_events.py(687): run_until_complete
  /usr/lib/python3.12/asyncio/runners.py(126): run
  /usr/lib/python3.12/asyncio/runners.py(193): run
  /usr/lib/python3.12/threading.py(1014): run
  /usr/lib/python3.12/threading.py(1077): _bootstrap_inner
  /usr/lib/python3.12/threading.py(1030): _bootstrap
"```

This seems to be an incompatibility between VLLM V1 assuming it is on the main thread and triton inference server running vllm outside of the main thread.

Question here is if the implementation of V1 can be adapted so that it can run outside of the main thread?

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