update

wifi_manager.py

@@ -128,7 +128,8 @@ def check_wifi_connection():
             sudo systemctl restart NetworkManager
             '''
             network_error_light()
-            subprocess.Popen('sudo systemctl restart NetworkManager', shell=True)
+            # subprocess.Popen('sudo systemctl restart NetworkManager', shell=True)
+            subprocess.run(['sudo', 'systemctl', 'restart', 'NetworkManager'], check=True)
             time.sleep(5)
     return False, None