damccorm opened a new pull request, #33122:
URL: https://github.com/apache/beam/pull/33122

   In https://github.com/apache/beam/pull/32687 I updated the vLLM model 
handler to use an asyncio event loop. This led to huge efficiency gains (around 
<batch_size>x faster), but also broke it in environments where there is already 
an asyncio event loop because of 
https://stackoverflow.com/questions/55409641/asyncio-run-cannot-be-called-from-a-running-event-loop-when-using-jupyter-no
   
   This is generally fine (this is not a normal environment to run Beam), but 
it does break things for colab environments. It can be easily fixed with this 
tweak, though - this PR makes that tweak to our example so that this keeps 
working. I've confirmed we don't need this to run in Dataflow/other runners
   
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