Fixing merge typo

Looks like this somehow got omitted in one of
my previous rebases

Change-Id: I1f15804938b26cc0d2166574d039b31eaa2f4baa
Signed-off-by: Mark Beierl <mark.beierl@canonical.com>
diff --git a/osm_lcm/tests/test_vnf_workflows.py b/osm_lcm/tests/test_vnf_workflows.py
index dcb77de..537e692 100644
--- a/osm_lcm/tests/test_vnf_workflows.py
+++ b/osm_lcm/tests/test_vnf_workflows.py
@@ -18,6 +18,7 @@
 from copy import deepcopy
 from datetime import timedelta
 
+import asyncio
 import asynctest
 from asynctest import CoroutineMock, Mock, patch
 from osm_common.temporal.activities.vnf import (