[Bug 1445764] Re: "The executable /usr/bin/python3.4 does not exist" error when Installing Mailman 3 on Centos 7

[Danil Smirnov]

Aurélien:

>Could you be missing some devel libraries?

I don't think so but I'm ready to check something yo want.

>Does your distribution have a version of Python 3.4 that would be
parallel-installable?

I could not find any with "yum search python". As I reported, this is
fresh new Centos 7 installation.

Mark:

I did everything you advice with the error posted above.

Few more experiments:

(venv)[root at host mailman-bundler]# ls -l /usr/local/src/mailman-bundler/venv-3.4/bin/python3.4
-rwxr-xr-x 1 root root 17544 apr 18 22:55 /usr/local/src/mailman-bundler/venv-3.4/bin/python3.4

(venv)[root at host mailman-bundler]# /usr/local/src/mailman-bundler/venv-3.4/bin/python3.4
Failed to import the site module
Traceback (most recent call last):
  File "/usr/local/src/mailman-bundler/venv-3.4/lib/python3.4/site.py", line 67, in <module>
    import os
  File "/usr/local/src/mailman-bundler/venv-3.4/lib/python3.4/os.py", line 616, in <module>
    from _collections_abc import MutableMapping
ImportError: No module named '_collections_abc'

I have very poor knowing of Python and its environment. I'm unable to
find what's wrong with the Python installation.

I can provide to you any additional data if you request.

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https://bugs.launchpad.net/bugs/1445764

Title:
  "The executable /usr/bin/python3.4 does not exist" error when
  Installing Mailman 3 on Centos 7

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