On Fri, Aug 21, 2020 at 3:32 PM Otto Hirr <ottoh...@gmail.com> wrote:
> Greetings, > > tl;dr: > Need to remove npy_3kcompat.h from any source code location since > Python2 is no longer supported. > > Background: > Ran into an error after compiling various apps regarding > npy_PyErr_ChainExceptionsCause() being undefined at runtime. > > Poking around shows that this is related to npy_3kcompat.h, which > seems to be for Python2 compatibility. > (There is a differently named counterpart for Python3.) > > This seems to be used in a couple of numpy/core/src/multiarray files. > > Seems that since Python2 is no longer supported, cleaning up cruft of > P2 will improve code and should eliminate the problem I ran into, (or > else move an error report to something else...) > > Is this reasonable to eliminate? > > The migration is already underway, but will take time. Even after NumPy is clean we will keep it because we also need to maintain compatibility across Python 3 versions and to avoid breaking downstream projects who might be using it. Chuck
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