If the caller specifies the number of devices only return that many. Some sub-tests may only need a subset of the total number of devices for the test. If the number of devices expected is less than the total being returned, python would throw an exception. --- autotests/util/iwd.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/autotests/util/iwd.py b/autotests/util/iwd.py index c65dd4a2..b557c17f 100755 --- a/autotests/util/iwd.py +++ b/autotests/util/iwd.py @@ -1085,7 +1085,7 @@ class IWD(AsyncOpAbstract): if not self._wait_timed_out: GLib.source_remove(timeout) - return list(self._devices.values() if not p2p else self._devices.p2p_dict.values()) + return list(self._devices.values() if not p2p else self._devices.p2p_dict.values())[:wait_to_appear] def list_p2p_devices(self, *args, **kwargs): return self.list_devices(*args, **kwargs, p2p=True) -- 2.26.2

You can leave this patch out actually. Andrew pointed out that any DBus method call is synchronous if the reply handlers are left out. But patch 2/2 is still needed. On Fri, 2020-10-23 at 15:18 -0700, James Prestwood wrote: