Fix Python deadlock - execute all PyRelations through the shared execute loop, and throw exception if Pandas Scan is called while GIL is held #6186
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…ute loop, and throw exception if Pandas Scan is called while GIL is held
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Executing all relations through a common interface will also allow cancellation of write_csv, etc using Ctrl+C.
We also add an exception to
pandas_scanso if it is called while the GIL is held an exception is thrown.