Prepare tournament results out of critical section

server.py

@@ -182,8 +182,9 @@ class LeaderboardServer:
         )
         self.fetch_existing_models()
         
+        tournament_results = self.load_tournament_results()
         with self.var_lock.rw:
-            self.tournament_results = self.load_tournament_results()
+            self.tournament_results = tournament_results
 
     def load_tournament_results(self):
         metadata_rank_paths = os.path.join(self.local_leaderboard, "tournament.json")