Additional "E121: Undefined variable: from" errors with Vim without python support #490
Description
There are extraneous errors when Vim is compiled without python support:
[Pymode]: error: Pymode requires vim compiled with +python. Most of features will be disabled.
Error detected while processing …/vim/neobundles/python-mode/autoload/pymode/virtualenv.vim:
line 3:
E121: Undefined variable: from
E15: Invalid expression: from pymode.virtualenv import enable_virtualenv
Error detected while processing …/vim/neobundles/python-mode/ftplugin/python/pymode.vim:
line 12:
E121: Undefined variable: from
Only the first error should appear from/via python-mode.