How to check the current version of sympy and upgrade to the latest version?

To check the current version of sympy:

In [6]: import sympy

In [7]: sympy.__version__
Out[7]: '0.7.6-git'

For stable release:

$ pip install --upgrade sympy

For latest features:

$ pip install --upgrade git+ssh://[email protected]/sympy/sympy.git

Use pip list to list all packages and their versions. You can pipe it to grep to search for the package your interested in:

pip list | grep sympy

Alternatively to get all information about that package including version you can use pip show:

pip show sympy

To upgrade it's simply:

pip install --upgrade sympy

If you need write permissions to your python installation directory don't forget to prepend the pip install command with a sudo: e.g. sudo pip install --upgrade sympy