I can’t get any version of python other than python2.7 to run properly with just the tox.ini file.
The output for any of the py3x environments looks like the following:
py34 create: /home/ubuntu/cbc-casper/.tox/py34
ERROR: Error creating virtualenv. Note that some special characters (e.g. ‘:’ and unicode symbols) in paths are not supported by virtualenv. Error details: InvocationError(“Failed to get version_info for python3.4: pyenv: python3.4: command not found\n\nThe `python3.4’ command exists in these Python versions:\n 3.4.3\n 3.4.4\n\n”,)