Update app.py

app.py

@@ -755,6 +755,14 @@ def get_mteb_average():
     # Start ranking from 1
     DATA_OVERALL.insert(0, "Rank", list(range(1, len(DATA_OVERALL) + 1)))
 
+    # For columns you know are numeric:
+    numeric_columns = DATA_OVERALL.select_dtypes(include=['float64', 'int64']).columns
+    DATA_OVERALL[numeric_columns] = DATA_OVERALL[numeric_columns].fillna(np.nan)  # Or a placeholder like 0 or -1
+    
+    # For columns expected to be strings, filling with an empty string is fine:
+    string_columns = DATA_OVERALL.select_dtypes(include=['object']).columns
+    DATA_OVERALL[string_columns] = DATA_OVERALL[string_columns].fillna('')
+    
     DATA_OVERALL = DATA_OVERALL.round(2)
 
     # Fill NaN after averaging