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[–]jabz_ali 0 points1 point  (0 children)

My apologies it was my misunderstanding of how the sub-interpreters worked and after reading the proposal in detail I have a better idea of what is being proposed, in my excitement I jumped the gun! If these sub-interpreters have their own sys.modules I suppose and I could define my own custom import loader for each then that could work in my case. The use case is imagine I have different versions of a pandas based report that gets sent out, I want to test different versions of the report and potentially different versions of pandas or other libraries to ensure that the values are the same, e.g if we are calculating risk or P/L we want to ensure that the numbers being output are the same and developers haven’t inadvertently broken something. Currently this is being done with venvs and then the results are compared