problem with json.dumps / complexjson.loads in python 3.4 virtualenv

[M. Fioretti]

Greetings,

I have an error in a python application that I installed. I already 
opened an issue about it on the application page at github, but I would 
also greatly appreciate any help to (at least) better debug the problem, 
because I urgently need to use that program.

Details:

I need to run the python client for the shaarli bookmarks manager, whose 
home page is https://github.com/shaarli/python-shaarli-client, on a 
Centos release 7.5 x86_64 server. Since that client requires python >= 
3.4, and I do not want to move the whole server to that version, I 
created a virtualenv following the instructions at 
https://github.com/shaarli/python-shaarli-client/blob/master/docs/user/installation.rst

When I try to run it, I get the error messages that I already reported 
in full at

https://github.com/shaarli/python-shaarli-client/issues/33

as far as I can understand after some searching, it **may** be the 
problem described at 
https://mcgrattan.org/2017/01/24/ordered-json-in-python-with-requests/

but I honestly don't know enough python, to go further without some 
help/pointers.

TIA,
Marco


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