Now sleeps until updates are probable

monitor.py

@@ -127,17 +127,14 @@ def fixup_data(d: dict) -> dict:
     return d
 
 
-def fmt_trip(trip: dict) -> str:
+def print_trip(trip: dict) -> None:
     trip_part = "The {}:{} {} (???:{}: :{}) service to {} ".format(trip['hour'], trip['minute'], trip['lineNumber'], trip['lineCode'], trip['directionCode'], trip['direction'])
     if is_cancelled(trip):
-        status_part = "is cancelled."
+        print(trip_part + "is cancelled.")
     elif is_late(trip):
-        status_part = "is {} minutes late.".format(trip['delay'])
+        print(trip_part + "is {} minutes late.".format(trip['delay']))
     elif is_early(trip):
-        status_part = "is {} minutes early.".format(-trip['delay'])
-    else:
-        status_part = "is on time."
-    return trip_part + status_part
+        print(trip_part + "is {} minutes early.".format(-trip['delay']))
 
 
 def get_next_refresh(data: dict):
@@ -163,7 +160,7 @@ def update():
     )
     reply_data = fixup_data(reply_data)
     for trip in reply_data['departureData']:
-        print(fmt_trip(trip))
+        print_trip(trip)
     return reply_data