Update app.py

app.py

@@ -62,6 +62,8 @@ custom_lat = data['latitude'].mean()
 custom_lon = data['longitude'].mean()
 radius_in_meters = 1500
 filtered_data = data  # Initialize with the entire dataset
+max_distance_all = 0  # Initialize max_distance_all here
+
 
 # Find the maximum distance between coordinates
 max_distance = 0