Plotly Express choropleth giving error “Object of type bytes is not JSON serializable”
I am trying to use Choropleth from Plotly Express to plot data in US zip codes. I have a GeoJSON from this GitHub repo (https://github.com/ndrezn/zip-code-geojson) and am trying to use it in conjunction with a CSV which gives zip codes and the number of train stations in that zip code. CSV format looks like this: zip code data frame format