[New-bugs-announce] [issue35688] "pip install --user numpy" fails on Python from the Windos Store

[mattip]

New submission from mattip <matti.picus at gmail.com>:

After enabling Insider and installing Python3.7 from the Windows Store, I open a cmd window and do `pip install --user numpy` which runs to completion. But I cannot `import numpy`. 

The NumPy `mutiarray` c-extension module in the `numpy/core` directory depends on an `OpenBLAS` DLL that is installed into the `numpy/.libs` directory. But even after adding that directory to the `PATH` before running python (and checking with `depends.exe` that the `multiarray` c-extension module is now not missing any dependencies) I still cannot `import numpy`.

See also NumPy issue https://github.com/numpy/numpy/issues/12667

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components: Windows
messages: 333262
nosy: brett.cannon, mattip, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: "pip install --user numpy" fails on Python from the Windos Store
versions: Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35688>
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