update optional req

Kully · Kully · commit 9db1e358d114 · 2018-02-13T13:07:53.000-05:00
diff --git a/optional-requirements.txt b/optional-requirements.txt
@@ -28,3 +28,8 @@ scipy
 ## jupyter ##
 jupyter
 ipykernel
+
+## deps for _county_choropleth.py figure factory
+geopandas
+shapefile
+shapely
