Cannot mix incompatible Qt library (version 0x50b01) with this library (version 0x50b02) Aborted (core dumped)

[jiapei100]

My code was running correctly, but now with the following ERROR message:

Cannot mix incompatible Qt library (version 0x50b01) with this library (version 0x50b02)

Aborted (core dumped)

I actually just want to use matplotlib as:

import matplotlib.pyplot as plt

import matplotlib.dates as md

Now, whenever I want to use matplotlib, I got the above error...

Can anybody help?

Cheers

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[Benjamin Root]

Did you just recently upgraded to matplotlib v3.0? I am guessing somehow that upgrade also did some things to your QT libraries as well. You can try changing your default backend to something like TkAgg so that it doesn't try the QT based backends.

On Mon, Oct 8, 2018 at 4:26 AM JIA Pei <[hidden email]> wrote:

My code was running correctly, but now with the following ERROR message:

Cannot mix incompatible Qt library (version 0x50b01) with this library (version 0x50b02)

Aborted (core dumped)

I actually just want to use matplotlib as:

import matplotlib.pyplot as plt

import matplotlib.dates as md

Now, whenever I want to use matplotlib, I got the above error...

Can anybody help?

Cheers

--

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[tcaswell]

Can you do 

import PyQt

without error?  I suspect this is due to installation issues between Qt and PyQt versions.

On Mon, Oct 8, 2018 at 10:50 AM Benjamin Root <[hidden email]> wrote:

Did you just recently upgraded to matplotlib v3.0? I am guessing somehow that upgrade also did some things to your QT libraries as well. You can try changing your default backend to something like TkAgg so that it doesn't try the QT based backends.

On Mon, Oct 8, 2018 at 4:26 AM JIA Pei <[hidden email]> wrote:

My code was running correctly, but now with the following ERROR message:

Cannot mix incompatible Qt library (version 0x50b01) with this library (version 0x50b02)

Aborted (core dumped)

I actually just want to use matplotlib as:

import matplotlib.pyplot as plt

import matplotlib.dates as md

Now, whenever I want to use matplotlib, I got the above error...

Can anybody help?

Cheers

--

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[jiapei100]

I can successfully do

import PyQt5






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[jiapei100]

Yes, exactly...


$ pip3 show matplotlib
Name: matplotlib
Version: 3.0.0
Summary: Python plotting package
Home-page: http://matplotlib.org
Author: John D. Hunter, Michael Droettboom
Author-email: [hidden email]
License: BSD
Location: ~/.local/lib/python3.6/site-packages
Requires: cycler, python-dateutil, kiwisolver, pyparsing, numpy
Required-by: seaborn, scikit-image, pycocotools









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[jiapei100]

Yes, exactly...


<code>
$ pip3 show matplotlib
Name: matplotlib
Version: 3.0.0
Summary: Python plotting package
Home-page: http://matplotlib.org
Author: John D. Hunter, Michael Droettboom
Author-email: [hidden email]
License: BSD
Location: ~/.local/lib/python3.6/site-packages
Requires: cycler, python-dateutil, kiwisolver, pyparsing, numpy
Required-by: seaborn, scikit-image, pycocotools
</code>





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[jiapei100]

Problem solved...
I upgraded from Qt5.11.1 to Qt5.11.2, and reinstalled PyQt5 ...

Thank you everyone...






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