debug scan

wifi_manager.py

@@ -121,9 +121,8 @@ def scan_wifi():
 
 def scan_wifi():
     subprocess.run(['nmcli', 'dev', 'wifi', 'rescan'], check=True)
-    cmd = "nmcli dev wifi"
-    output = subprocess.run(cmd, shell=True, capture_output=True, text=True)
-    
+    output = subprocess.check_output(['nmcli', 'dev', 'wifi'])
+        
     wifi_list = []
     lines = output.decode().splitlines()[1:]
     for idx, line in enumerate(lines):