yyuu/pyenv-virtualenvwrapper — pull request #20 by blueyed (2014-12-11 16:17:22+00:00)
Title: Handle 'pyenv version-name' failure in pyenv_virtualenvwrapper_load

Before:

% pyenv version
pyenv: version `2.7.9rc1' is not installed
(eval):source:80: no such file or directory:
pyenv: version `2.7.9rc1' is not installed

After:

% pyenv version
pyenv: version `2.7.9rc1' is not installed
pyenv-virtualenvwrapper: python is not available.
pyenv-virtualenvwrapper: failed to initialize virtualenvwrapper_lazy.
pyenv: version `2.7.9rc1' is not installed