pyLDAvis is a python library for interactive topic model visualization. It is a port of the fabulous R package by Carson Sievert and Kenny Shirley. They did the hard work of crafting an effective visualization. pyLDAvis makes it easy to use the visualiziation from Python and, in particular, Jupyter notebooks.
To learn more about the method behind the visualization, it is possible to read the original paper explaining it.
This notebook provides a quick overview of how to use pyLDAvis.