Devin AI 0938279b89 Fix asyncio hanging issue when using crew.kickoff() with asyncio.to_thread() ...

This fix resolves issue #3730 where crews would hang when run with
asyncio.to_thread() if they used async tools. The problem was that
asyncio.run() was being called in tool execution code, which fails
when there's already an event loop running in the current thread.

Changes:
- Added run_coroutine_sync() utility function that safely runs
  coroutines in both sync and async contexts
- Updated CrewStructuredTool.invoke() to use run_coroutine_sync()
- Updated BaseTool.run() to use run_coroutine_sync()
- Added comprehensive tests for asyncio tool execution scenarios

The fix ensures that async tools work correctly whether the crew is:
- Run synchronously with crew.kickoff()
- Run asynchronously with crew.kickoff_async()
- Run in a thread pool with asyncio.to_thread(crew.kickoff)

Fixes #3730

Co-Authored-By: João <joao@crewai.com>

2025-10-18 08:41:47 +00:00

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