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Traceback (most recent call last):

  File "<ipython-input-1-4363d2be0702>", line 1, in <module>
    import scipy

  File "C:\WPy64-3820\python-3.8.2.amd64\lib\site-packages\scipy\__init__.py", line 156, in <module>
    from . import fft

  File "C:\WPy64-3820\python-3.8.2.amd64\lib\site-packages\scipy\fft\__init__.py", line 76, in <module>
    from ._basic import (

  File "C:\WPy64-3820\python-3.8.2.amd64\lib\site-packages\scipy\fft\_basic.py", line 1, in <module>
    from scipy._lib.uarray import generate_multimethod, Dispatchable

  File "C:\WPy64-3820\python-3.8.2.amd64\lib\site-packages\scipy\_lib\uarray.py", line 27, in <module>
    from ._uarray import *

  File "C:\WPy64-3820\python-3.8.2.amd64\lib\site-packages\scipy\_lib\_uarray\__init__.py", line 114, in <module>
    from ._backend import *

  File "C:\WPy64-3820\python-3.8.2.amd64\lib\site-packages\scipy\_lib\_uarray\_backend.py", line 15, in <module>
    from . import _uarray  # type: ignore

ImportError: DLL load failed while importing _uarray: The specified module could not be found.

Activity

stonebig commented on Apr 5, 2020
stonebig
on Apr 5, 2020
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Hum, that is strange. Are you on Windows 10 ?
stonebig commented on Apr 5, 2020
stonebig
on Apr 5, 2020
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I found someone with the opposite problem ... maybe try the opposite, try with Anaconda

numpy/numpy#12957 (comment)

Another internet suggests maybe your path variable is too long
dlzcn commented on Apr 8, 2020
dlzcn
on Apr 8, 2020
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Run perfectly on my PC, but failed with same errors on my laptop. Both of them are running Windows 10. I checked length of the path variable on my PC, it is 1715 characters. Not sure the size of the variable on my laptop.
stonebig commented on Apr 8, 2020
stonebig
on Apr 8, 2020
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Hum, maybe search then try your question on stackoverflow.

Another shot in the dark would be to retry after moving your directory:

to you user space: C:/users/???/

or to a non-C drive

other ideas are: another Python system installed create troubles, your initial installation has lost a dll, ...
stonebig commented on Apr 8, 2020
stonebig
on Apr 8, 2020
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are you using pycharm ? psycopg/psycopg2#1014 (comment)
stonebig commented on Apr 8, 2020
stonebig
on Apr 8, 2020
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hum, that may just be a python-3.8 change : now, Python- 3.8 doesn't look for a dll out of system unless explicitly told.

as a blind guess, I suggest you retry with a python-3.7 distribution, as it tackles DLL differently
dlzcn commented on Apr 8, 2020
dlzcn
on Apr 8, 2020
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Switched to python-3.7 distriubtion.

File "D:\python\WPy64-3770\python-3.7.7.amd64\lib\site-packages\sklearn_init_.py", line 82, in
from .base import clone
File "D:\python\WPy64-3770\python-3.7.7.amd64\lib\site-packages\sklearn\base.py", line 20, in
from .utils import IS_32BIT
File "D:\python\WPy64-3770\python-3.7.7.amd64\lib\site-packages\sklearn\utils_init.py", line 20, in
from scipy.sparse import issparse
File "D:\python\WPy64-3770\python-3.7.7.amd64\lib\site-packages\scipy_init_.py", line 156, in
from . import fft
File "D:\python\WPy64-3770\python-3.7.7.amd64\lib\site-packages\scipy\fft_init_.py", line 76, in
from ._basic import (
File "D:\python\WPy64-3770\python-3.7.7.amd64\lib\site-packages\scipy\fft_basic.py", line 1, in
from scipy._lib.uarray import generate_multimethod, Dispatchable
File "D:\python\WPy64-3770\python-3.7.7.amd64\lib\site-packages\scipy_lib\uarray.py", line 27, in
from .uarray import *
File "D:\python\WPy64-3770\python-3.7.7.amd64\lib\site-packages\scipy_lib_uarray_init.py", line 114, in
from ._backend import *
File "D:\python\WPy64-3770\python-3.7.7.amd64\lib\site-packages\scipy_lib_uarray_backend.py", line 15, in
from . import _uarray # type: ignore
ImportError: DLL load failed: The specified module could not be found.
stonebig commented on Apr 8, 2020
stonebig
on Apr 8, 2020
Contributor
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Well, I'm out of ideas at the moment. Having a working PC and a not-working Laptop shall allow you to enumerate what's different between them: tiny memory, very very slow processor, another Python distro, a virulant anti-virus, ...
dlzcn commented on Apr 8, 2020
dlzcn
on Apr 8, 2020
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It's VC runtime issue, happens one of them is missing from my PC. Fixed after installing the lastest file from https://support.microsoft.com/en-gb/help/2977003/the-latest-supported-visual-c-downloads

Maybe need to update the instructions. Win10 users also need to pay attention to this requirement.
makazhan commented on Apr 8, 2020
makazhan
on Apr 8, 2020
Author
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It's VC runtime issue, happens one of them is missing from my PC. Fixed after installing the lastest file from https://support.microsoft.com/en-gb/help/2977003/the-latest-supported-visual-c-downloads

Maybe need to update the instructions. Win10 users also need to pay attention to this requirement.

Thanks! It fixed the issue on my laptop Win10 for both Python 3.7 and 3.8.
stonebig commented on Apr 8, 2020
stonebig
on Apr 8, 2020
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hum, I include vcruntime140.dll . I may have missed some news ? ... yes

I'll include it, not sure if it's of help, or if anyway the download is needed.

there is a whole list of dlls now, not sure what to do of them:

vcruntime140_1.dll

vcruntime140d.dll

vcomp140d.dll

vccorlib140d.dll

ok ,"d" is for debug: https://stackoverflow.com/questions/39010509/vcruntime140-dll-vs-vcruntime140d-dll
stonebig
added a commit that references this issue on Apr 8, 2020
dll issue mitigation
6b7b6ed
stonebig commented on Apr 8, 2020
stonebig
on Apr 8, 2020
Contributor
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So the vcruntime140_1.dll will be in next binaries, even if I'm not sure it solves the problem.

It's a bit odd to have every user needing to install a microsoft executable.
stonebig
added a commit that references this issue on Apr 8, 2020
per caution, suggesting windows 10 users may have to do it too
09747f3
stonebig commented on Apr 8, 2020
stonebig
on Apr 8, 2020
Contributor
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two actions done. Hope it will help. Thanks a lot @dlzcn for the inquiry.

what tool did you use to see the dll missing ?

https://stackoverflow.com/questions/7378959/how-to-check-for-dll-dependency
dlzcn commented on Apr 8, 2020
dlzcn
on Apr 8, 2020
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what tool did you use to see the dll missing ?

https://stackoverflow.com/questions/7378959/how-to-check-for-dll-dependency

I am using dependencies, you can fine it from https://lucasg.github.io/Dependencies/
stonebig commented on Apr 8, 2020
stonebig
on Apr 8, 2020
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Ok, thanks again.
stonebig
closed this as completed on Apr 8, 2020
stonebig
added this to the 2020-02 Jupyterlab-1.2 / Pytorch-1.5 / Tensorflow-2.2 milestone on Apr 9, 2020

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cannot import scipy with WinPython 2020-01 on Windows 10 #828

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stonebig commented on Apr 5, 2020

stonebig commented on Apr 5, 2020

dlzcn commented on Apr 8, 2020

stonebig commented on Apr 8, 2020

stonebig commented on Apr 8, 2020

stonebig commented on Apr 8, 2020

dlzcn commented on Apr 8, 2020

stonebig commented on Apr 8, 2020

dlzcn commented on Apr 8, 2020

makazhan commented on Apr 8, 2020

stonebig commented on Apr 8, 2020

stonebig commented on Apr 8, 2020

stonebig commented on Apr 8, 2020

dlzcn commented on Apr 8, 2020

stonebig commented on Apr 8, 2020

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