Update app/leaderboard.py

app/leaderboard.py

@@ -42,15 +42,15 @@ def get_leaderboard(reveal_prelim = False, hide_battle_votes = False):
         for j in range(len(df)):
             if i != j:
                 try:
-                    expected_a = 1 / (1 + 10 ** ((df['score'][j] - df['score'][i]) / 400))
-                    expected_b = 1 / (1 + 10 ** ((df['score'][i] - df['score'][j]) / 400))
-                    actual_a = df['upvote'][i] / df['votes'][i] if df['votes'][i] > 0 else 0.5
-                    actual_b = df['upvote'][j] / df['votes'][j] if df['votes'][j] > 0 else 0.5
-                    df.at[i, 'score'] += 32 * (actual_a - expected_a)
-                    df.at[j, 'score'] += 32 * (actual_b - expected_b)
-                except:
-                    print(f'Error in ELO calculation for {df["name"][i]} and {df["name"][j]}')
-                    pass
+                    expected_a = 1 / (1 + 10 ** ((df['score'].iloc[j] - df['score'].iloc[i]) / 400))
+                    expected_b = 1 / (1 + 10 ** ((df['score'].iloc[i] - df['score'].iloc[j]) / 400))
+                    actual_a = df['upvote'].iloc[i] / df['votes'].iloc[i] if df['votes'].iloc[i] > 0 else 0.5
+                    actual_b = df['upvote'].iloc[j] / df['votes'].iloc[j] if df['votes'].iloc[j] > 0 else 0.5
+                    df.iloc[i, df.columns.get_loc('score')] += 32 * (actual_a - expected_a)
+                    df.iloc[j, df.columns.get_loc('score')] += 32 * (actual_b - expected_b)
+                except Exception as e:
+                    print(f"Error in ELO calculation for rows {i} and {j}: {str(e)}")
+                    continue
     df['score'] = round(df['score'])
     ## ELO SCORE
     df = df.sort_values(by='score', ascending=False)