pySim ModuleNotFoundError: No module named 'construct'

Niels ten Oever lists at
Fri Apr 30 09:56:01 UTC 2021

Hi Harald,

Thanks for your quick response, please find my reply below in-line:

On 28-04-2021 21:36, Harald Welte wrote:
> Hi Niels,
> On Wed, Apr 28, 2021 at 07:18:34PM +0200, Niels ten Oever wrote:
>> I am a happy user of pySim - thanks a lot for the work on it. Unfortunately, I think something broke during recent updates that might have to do with software versions. 
> pySim has recently been extended heavily, which introduced some new dependencies, and those
> should all be documented in the README, but also
>> I went through a full reinstall and have done all the software installations mentioned in the, but when I do:
>> $ ./ -p0                                       

$ /usr/bin/env python3 --version 
Python 3.8.5

> which python version are you using to execute pySim?

See above

>> $ sudo pip3 install construct                                            
>> Requirement already satisfied: construct in /usr/local/lib/python3.8/dist-packages (2.10.67)
> so it is installed for python3.8.

$ sudo pip3 install construct
Requirement already satisfied: construct in /usr/local/lib/python3.8/dist-packages (2.10.67)


>> But that did not solve the issue. 
> I suspect you installed 'construct' for python3.8 but you are executing pySim-reads by some other
> version of python?  What does the following command tell you:
> 	/usr/bin/env python3 --version
> I would assume it shows something else than python 3.8.x ?

Unfortunately not, but all other suggestions are welcome!



Niels ten Oever, PhD
Postdoctoral Researcher - Media Studies Department - University of Amsterdam
Research Fellow - Centre for Internet and Human Rights - European University Viadrina
Associated Scholar - Centro de Tecnologia e Sociedade - Fundação Getúlio Vargas
Affiliated Factulty - Digital Democracy Insitute - Simon Fraser University - mail at - @nielstenoever - +31629051853
PGP: 2458 0B70 5C4A FD8A 9488 643A 0ED8 3F3A 468A C8B3

Read my latest article on Internet infrastructure governance in New Media & Society here:

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