JAEWON ROH

> thank you for your contribute. But the purpose of `--exec` option is to execute the files, so I think we need to reconsider about the issue. If the files...

We need to check type of event before yield like below. I tested by myself and it worked properly ```python async def stream_events(self) -> AsyncGenerator[Event, None]: if not self.ctx: raise...

Or we should update [documentation](https://docs.llamaindex.ai/en/stable/understanding/workflows/stream/). Example code in documentation does not check type of Event like below. ```python async def main(): w = MyWorkflow(timeout=30, verbose=True) handler = w.run(first_input="Start the workflow.")...