Changes goodput calculation.

plot_transmission_timeline.py

 
     # key for columns and level for index
     transmission_df["goodput"] = transmission_df["payload_size"].groupby(pd.Grouper(level="datetime", freq="{}s".format(args.interval))).sum()
+    print(transmission_df["goodput"])
+    exit()
+
+
     #transmission_df["goodput"] = transmission_df["payload_size"].rolling("{}s".format(args.interval)).sum()
     transmission_df["goodput"] = transmission_df["goodput"].apply(
         lambda x: ((x * 8) / args.interval) / 10**6