fix map_creep_spread test in python3

Author: StoicLoofah

test_replays/test_all.py

@@ -431,7 +431,7 @@ def test_lotv_creepTracker(self):
 
         for player_id in replay.player:
             if replay.player[player_id].play_race == "Zerg":
-                assert replay.player[player_id].max_creep_spread >0
+                assert replay.player[player_id].max_creep_spread != 0
                 assert replay.player[player_id].creep_spread_by_minute
 
     def test_lotv_map(self):