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Old 07-18-2018, 03:49 PM   #1
Registered: May 2018
Posts: 137

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Error when loading a module with Python/updating python from command prompt

Running: Ubuntu 16.04 and Python 3.5.2

So I ran a script which I found here:
in order to convert one of my projects built in PyQt4 into a PyQt5 project.

I ran the script and the conversion was made just fine with no errors. The only problem, when I try to run the new PyQt5 project I get the following error:

ImportError: /usr/local/lib/python3.5/dist-packages/PyQt5/ undefined symbol: PySlice_AdjustIndices
I am not positive but it seemed to me this would be a version error of some kind, which brings me to my question. Is there a method of updating Python from 3.5 to the newest version release which I believe is 3.7 from the command prompt?

If not what is the easiest method of completly uninstalling python3.5 and upgrading to py3.7?
I tried:

sudo apt-get install python3.7.0

and it says that 3.7 does not exist but if I go to the python website I can see that it does exist. I know I installed my current version of python using sudo apt-get so I am not sure what the deal is.


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