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ImportError: version conflict for psutil-5.0.1-cp36-cp36m-win_amd64.whl #951

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csarn opened this issue Jan 20, 2017 · 13 comments
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ImportError: version conflict for psutil-5.0.1-cp36-cp36m-win_amd64.whl #951

csarn opened this issue Jan 20, 2017 · 13 comments
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@csarn
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csarn commented Jan 20, 2017

When pip-installing psutil on Python 3.6 on Windows 7 64-bit, the psutil package cannot be imported:

C:> python -c "import psutil"
Traceback (most recent call last):
File "", line 1, in
File "E:\Py36\lib\site-packages\psutil\__init__.py", line 218, in
raise ImportError(msg)
ImportError: version conflict: 'E:\Py36\lib\site-packages\psutil\_psutil_windows.cp36-win_amd64.pyd' C extension module was built for another version of psutil (5.0.2 instead of 5.0.1); you may try to 'pip uninstall psutil', manually remove E:\Py36\lib\site-packages\psutil_psutil_windows.cp36-win_amd64.pyd or clean the virtual env somehow, then reinstall
@giampaolo
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"you may try to 'pip uninstall psutil', manually remove E:\Py36\lib\site-packages\psutil_psutil_windows.cp36-win_amd64.pyd or clean the virtual env somehow, then reinstall"

have you tried this?

@csarn
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csarn commented Jan 20, 2017

Yes I have. I also cleaned out the pip cache, so it downloaded the file again. The problem persists.

@ymeine
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ymeine commented Jan 20, 2017

In the meantime, the build at Python Extension Packages for Windows - Christoph Gohlke works fine.

@giampaolo
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It looks like this is a problem with your past installation. If no psutil is installed that error message shouldn't occur. You can test this by installing another psutil version as in "pip install psutil==5.0.0" in which case I expect the same error message.
Please try to search "psutil" inside your Python installation and remove any occurrence (either file or directory).

@prokher
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prokher commented Jan 21, 2017

I have exactly the same issue. Installing previous version with pip install psutil==5.0.0 works fine, which I am going to proceed with as a workaround.

@csarn
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csarn commented Jan 21, 2017

I tried it on a completely fresh windows 7 install, fresh python3.6, nothing installed or copied except win7, servicepack1, firefox, python. Even there the problem is the same, so this must be a problem in the wheel.

@micbou micbou mentioned this issue Jan 22, 2017
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homu added a commit to ycm-core/ycmd that referenced this issue Jan 22, 2017
@homu
Auto merge of #695 - micbou:windows-psutil, r=valloric
717b36a 
[READY] Exclude psutil 5.0.1 from test requirements

Last version of psutil (5.0.1) is broken on Python 3.6 and Windows 64-bit. See issue giampaolo/psutil#951. We exclude it from our test requirements. This fixes the builds with `arch=64` and `python=36` on AppVeyor.

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@giampaolo
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I tried now and I could install psutil via pip both with 32bit and 64bit versions of python 3.6. Really not sure what to think. :-\

@ghost
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ghost commented Feb 1, 2017

This also seems to be happening for us as well.

@giampaolo
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Can you please try these wheels? They are from upcoming 5.1.0 version:
32 bit: https://ci.appveyor.com/project/giampaolo/psutil/build/1050/job/j4iv1dp8ioj5mwxf/artifacts
64 bit: https://ci.appveyor.com/project/giampaolo/psutil/build/1050/job/dv7gcgp7j9v2mtqb/artifacts

@ghost
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ghost commented Feb 1, 2017

The error only occurs on py36-x64, which I happen to be running. I can confirm that:

  1. The pip version of psutil doesn't work on py36-x64.
  2. The wheel that you provided for py36-x64 does work.

Not sure about the 32-bit wheel, but that one wasn't broken in the first place.

@csarn
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csarn commented Feb 1, 2017

I can second that. 64bit wheel for 5.1.0 fixes the import error.

@giampaolo
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OK, then for some reason the 5.0.1 wasn't properly built or something. I will release a 5.1.0 wheel version soon (possibly today).

@giampaolo
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OK, new version is out.

htgoebel pushed a commit to htgoebel/pyinstaller that referenced this issue Feb 2, 2017
@xoviat @htgoebel
Appveyor: don't reinstall psutil because giampaolo/psutil#951 is closed.
c467ab4
htgoebel pushed a commit to htgoebel/pyinstaller that referenced this issue Feb 2, 2017
@xoviat @htgoebel
Appveyor: don't reinstall psutil because giampaolo/psutil#951 is closed.
c40e730
htgoebel pushed a commit to htgoebel/pyinstaller that referenced this issue Feb 3, 2017
@xoviat @htgoebel
Appveyor: don't reinstall psutil because giampaolo/psutil#951 is closed.
273ec08
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@prokher @giampaolo @ymeine @csarn