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

[ruben]

Hi, I am just installing Mailman on CentOs 7 and already installed
Python 3.5 and get the exact same output after typing buildout:

Installing mailman.
The executable python3.4 (from --python=python3.4) does not exist
/tmp/tmptaILCi/run: line 2: /root/mailman-bundler/venv-3.4/bin/pip: No such file or directory
While:
  Installing mailman.

An internal error occurred due to a bug in either zc.buildout or in a
recipe being used:
Traceback (most recent call last):
  File "/root/Python-3.5.0/venv/lib/python2.7/site-packages/zc/buildout/buildout.py", line 1992, in main
    getattr(buildout, command)(args)
  File "/root/Python-3.5.0/venv/lib/python2.7/site-packages/zc/buildout/buildout.py", line 666, in install
    installed_files = self[part]._call(recipe.install)
  File "/root/Python-3.5.0/venv/lib/python2.7/site-packages/zc/buildout/buildout.py", line 1407, in _call
    return f()
  File "/root/mailman-bundler/eggs/collective.recipe.cmd-0.11-py2.7.egg/collective/recipe/cmd/__init__.py", line 56, in install
    self.execute()
  File "/root/mailman-bundler/eggs/collective.recipe.cmd-0.11-py2.7.egg/collective/recipe/cmd/__init__.py", line 69, in execute
    run_commands(cmds, self.shell)
  File "/root/mailman-bundler/eggs/collective.recipe.cmd-0.11-py2.7.egg/collective/recipe/cmd/__init__.py", line 39, in run_commands
    check_call('%s %s' % (shell, tmpfile), shell=True)
  File "/usr/lib64/python2.7/subprocess.py", line 542, in check_call
    raise CalledProcessError(retcode, cmd)
CalledProcessError: Command 'sh /tmp/tmptaILCi/run' returned non-zero exit status 127

What to do now?

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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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