find version from pip code example
Example 1: pip install specific version
# To install a specific version of a package using pip:
pip install Package_name==version
# Example:
pip install MySQL_python==1.2.2
Example 2: get version package from pip
$ pip show Jinja2
---
Name: Jinja2
Version: 2.7.3
Location: /path/to/virtualenv/lib/python2.7/site-packages
Requires: markupsafe