Update bleak/backends/bluezdbus/utils.py

Co-authored-by: David Lechner <[email protected]>

Author: kiwiz

bleak/backends/bluezdbus/utils.py

@@ -48,14 +48,14 @@ def bdaddr_from_device_path(device_path: str) -> str:
 
 
 def get_dbus_authenticator():
-    uid = 0
+    uid = None
     try:
         uid = int(os.environ("BLEAK_DBUS_UID"))
     except ValueError:
         pass
 
     auth = None
-    if uid:
+    if uid is not None:
         auth = AuthExternal(uid=uid)
 
     return auth