Could you please provide a screenshot of your Python Scope and all the properties, so that we can verify that everything is correctly configured?
A Studio version, Python package version, and the project type would also be appreciated.
Also, please browse through these topics, each having a post marked as a solution to your error:
https://forum.uipath.com/search?q=%22Pipe%20is%20broken%22%20status%3Asolved