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Numpy on AWS GovCloud Lambda

I seem to have a unique issue which is quite surprising! I need to add Numpy to my Lambda function and I’m using a layer rather than Docker (not interested in using Docker at the moment). I use cloudwatch, which is on X86 architecture, to pip install numpy -t ./python, then zip up the python folder and use that as my layer. I’m also running my Lambda function on an x86 architecture. This method works for every other package I need, so there seems to be something wrong with the way Numpy is getting compiled. Also, unfortunately on GovCloud the AWS provided package AWS SDK for Pandas is not available.