Adds plot for cdf.

plot_transmission_timeline.py

@@ -6,8 +6,6 @@ from math import ceil
 from time import sleep
 
 import pandas as pd
-import geopandas as gpd
-import contextily as cx
 import matplotlib.pyplot as plt
 from mpl_toolkits import axisartist
 from mpl_toolkits.axes_grid1 import host_subplot