dont clean frontpage cache if its a comment that got pin-awarded

files/routes/awards.py

@@ -318,6 +318,8 @@ def award_thing(v, thing_type, id):
 			obj.stickied_utc = int(time.time()) + add
 
 		obj.stickied = f'{v.username}{PIN_AWARD_TEXT}'
+
+		if isinstance(obj. Post):
 			cache.delete_memoized(frontlist)
 	elif kind == "unpin":
 		if not obj.stickied_utc: abort(400)