CI: Make double circle topology python3 compatible

Reviewed-By: Martin Basti <mbasti@redhat.com>

ipatests/test_integration/tasks.py

@@ -946,7 +946,7 @@ def double_circle_topo(master, replicas, site_size=6):
 
     # split servers into sites
     it = [iter(servers)] * site_size
-    sites = map(lambda x: (x[0], x[1], x[2:]), zip(*it))
+    sites = [(x[0], x[1], x[2:]) for x in zip(*it)]
     num_sites = len(sites)
 
     for i in range(num_sites):

ipatests/test_integration/test_topologies.py

@@ -121,7 +121,7 @@ def test_topology_two_connected():
 def test_topology_double_circle_topo():
     topo = tasks.get_topo('double-circle')
     assert topo == tasks.double_circle_topo
-    assert list(topo('M', range(1, 30))) == [
+    assert list(topo('M', list(range(1, 30)))) == [
         ('M', 1),
         (1, 6),
         (1, 12),