How to create clean `self.tournament_results`

server.py

@@ -259,7 +259,7 @@ class LeaderboardServer:
 
                     gr.Info('Running tournament...', duration=15)
                     with self.var_lock.rw:
-                        self.tournament_results = {}
+                        self.tournament_results = {k: {} for k in self.submission_ids}
                     for submission_id in self.submission_ids:
                         with self.var_lock.ro:
                             file = self.submission_id_to_file[submission_id]