Properly fix crash

tournaments/models/match.py

@@ -149,7 +149,7 @@ class Match(models.Model):
         livematch = LiveMatch(title, date, duration, court, self.started(), ended)
 
         for team_score in self.sorted_team_scores():
-            if team_score.team_registration.logo:
+            if team_score.team_registration:
                 image = team_score.team_registration.logo
             else:
                 image = None