Update app.py

app.py

@@ -65,7 +65,8 @@ def monitor_vehicles(number_plates):
             except FileNotFoundError:
                 pass
 
-                def send_alert_email(number_plate):
+    
+    def send_alert_email(number_plate):
     # Set up email server
     server = smtplib.SMTP("smtp.gmail.com", 587)
     server.starttls()