Update app.py

app.py

@@ -9,7 +9,10 @@ def load_and_preprocess_data(file_path):
     # Basic preprocessing
     df = df.drop(['X', 'Y'], axis=1)
     df.dropna(subset=['Incidentid', 'DateTime', 'Year', 'Latitude', 'Longitude'], inplace=True)
-    
+
+    # Convert Year to int 
+    df['Year'] = df['Year'].astype(int)
+
     # Fill missing values
     numeric = ['Age_Drv1', 'Age_Drv2']
     for col in numeric: