how to change virtual environment in python code example
Example 1: python virtual env
$ virtualenv -p /usr/bin/python2.7 venvExample 2: python virtual env
$ export VIRTUALENVWRAPPER_PYTHON=/usr/bin/python2.7$ virtualenv -p /usr/bin/python2.7 venv$ export VIRTUALENVWRAPPER_PYTHON=/usr/bin/python2.7