Hhhilulu

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[BUG] promptflow batch run not start execution when calling pf.run() in a notebook from another notebook

Hi, @Maggieli99, I followed the reproduction steps you provided to run the batch, but the issue did not reoccur. Here is my code: [simple_flow_with_python_tool.zip](https://github.com/user-attachments/files/16389702/simple_flow_with_python_tool.zip)

[BUG] eval API errors out with UnexpectedError: Unexpected error occurred while executing the batch run. Error: (TypeError) cannot pickle '_thread.RLock' object.

Hi, @yanggaome , Can you provide the minimum repro code?

[BUG] eval API errors out with UnexpectedError: Unexpected error occurred while executing the batch run. Error: (TypeError) cannot pickle '_thread.RLock' object.

Hi, @yanggaome, Your target object cannot be pickled. We use multi-process mode to execute batch run, which requires that all parameters of the multi-process target function can be serialized, so...