Update app.py

app.py

@@ -103,7 +103,7 @@ def get_rating_over_time_fig(df: pd.DataFrame, is_tournament: bool):
 
 def get_max_int(int_csv_str: str) -> int:
     """Get the max int from an int CSV."""
-    ints = [int(i.strip()) for i in int_csv_str.split(',')]
+    ints = [int(i.strip()) for i in int_csv_str.split(',') if i]
     return max(ints)