Update app.py

app.py

@@ -9,6 +9,7 @@ import dateutil.parser as dp
 import pandas as pd
 from huggingface_hub import hf_hub_url, cached_download
 import time
+import datetime
 
 title = "Stockholm Highway E4 Real Time Traffic Prediction"
 description = "Stockholm E4 (59°23'44.7"" N 17°59'00.4""E) highway real time traffic prediction, updated in every hour"