Loading state files with multiple pipelines with python operators crashes

[mathturtle]

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Make a state file that has 2 data sources, each having a few python operators. Save the state file out. I had two operators on each of the two data sources.

Load in the state file just saved out. Sometimes (5/6 times for me), there is a segfault deep in the guts of python when one of the operators finishes.

I can provide a sample state file, just come ask me.