❓ General Issue

By defaulting to Python3.7, we are guaranteeing that a breaking change will happen in the next few years when Python3.7 is EOL'd. While some breaking changes are unavoidable, we shouldn't be forcing our customers into one.

https://github.com/aws/aws-cdk/blob/master/packages/%40aws-cdk/aws-lambda-python/lib/function.ts#L61