Viewing theinfo: tools (theinfo) NumericAndScientific/Plotting. Over the years many different plotting modules and packages have been developed for Python.
For most of that time there was no clear favorite package, but recently matplotlib has become the most widely used. Nevertheless, many of the others are still available and may suit your tastes or needs better. Some of these are interfaces to existing plotting libraries while others are Python-centered new implementations. Mail-trends - Analysis and visualization of email data.