thrimshim odo hack: assume unmatched time of day means dawn

until we can fix dawn detection.

thrimshim/thrimshim/main.py

@@ -835,7 +835,6 @@ def get_odometer(channel):
 		SELECT timestamp, clock, timeofday
 		FROM bus_data
 		WHERE clock IS NOT NULL
-			AND timeofday IS NOT NULL
 			AND channel = %(channel)s
 			AND timestamp > %(start)s
 			AND timestamp <= %(end)s
@@ -849,7 +848,8 @@ def get_odometer(channel):
 		clock_face = None
 	else:
 		clock12h = result.clock
-		timeofday = result.timeofday
+		# HACK: assume null means dawn, as we can reliably detect everything else.
+		timeofday = result.timeofday or "dawn"
 
 		clock24h = clock12h
 		if time_is_pm(conn, result.timestamp, clock12h, timeofday):