tests: fix already registered event impl

(cherry picked from commit 40156c3)
QubesOS · Apr 18, 2020 · 3913c9e · 3913c9e
1 parent 45be017
commit 3913c9e
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/qubes/tests/__init__.py b/qubes/tests/__init__.py
@@ -99,9 +99,8 @@
 
 if in_dom0:
     import libvirtaio
-    libvirt_event_impl = libvirtaio.virEventRegisterAsyncIOImpl()
-else:
-    libvirt_event_impl = None
+
+libvirt_event_impl = None
 
 try:
     in_git = subprocess.check_output(
@@ -396,6 +395,10 @@ def __init__(self, *args, **kwargs):
 
         self.loop = None
 
+        global libvirt_event_impl
+
+        if in_dom0 and not libvirt_event_impl:
+            libvirt_event_impl = libvirtaio.virEventRegisterAsyncIOImpl()
 
     def __str__(self):
         return '{}/{}/{}'.format(