This repository has been specifically made for a Medium article, on Plotly's Animated Choropleth maps.
You can check out the article here: https://medium.com/@lucas_bromerchenkel/choropleth-maps-with-time-sliders-using-plotly-df6e19e5f90c
If you'd like to run this code, simply download everything, and run the notebook "map_pipeline.ipynb". It will assemble the geodataframe and prepare the choropleth map, along with explanations on the pertinent steps. For more information, visit @medium.