dont leave transactions open in cron

files/helpers/cron.py

@@ -9,6 +9,7 @@ from sqlalchemy.orm import load_only, InstrumentedAttribute
 
 import click
 import requests
+import traceback
 
 import files.helpers.offsitementions as offsitementions
 import files.helpers.stats as stats
@@ -32,7 +33,7 @@ def cron(every_5m, every_1h, every_1d, every_1mo):
 	g.db = db_session()
 	g.v = None
 
-	#I put commit under each task to release database locks and prevent main flask app crashing
+	try:
 		if every_5m:
 			_award_timers_task()
 
@@ -52,8 +53,11 @@ def cron(every_5m, every_1h, every_1d, every_1mo):
 			_generate_emojis_zip()
 
 			_leaderboard_task()
-
 		g.db.commit()
+	except:
+		print(traceback.format_exc(), flush=True)
+		g.db.rollback()
+
 	g.db.close()
 	del g.db
 	stdout.flush()