Make pylint happy

- Drop unused 'asyncio'
- Drop useless 'else' after return

qubes/ext/gui.py

@@ -21,8 +21,6 @@
 # License along with this library; if not, see <https://www.gnu.org/licenses/>.
 #
 
-import asyncio
-
 import qubes.config
 import qubes.ext
 

qubes/vm/qubesvm.py

@@ -692,8 +692,8 @@ class QubesVM(qubes.vm.mix.net.NetVMMixin, qubes.vm.BaseVM):
         try:
             if self.is_running():
                 return self.libvirt_domain.ID()
-            else:
-                return -1
+
+            return -1
         except libvirt.libvirtError as e:
             if e.get_error_code() == libvirt.VIR_ERR_NO_DOMAIN:
                 return -1