Fallback to the newer object type for dvswitch

(cherry picked from commit 940bf1f627)

lib/ansible/module_utils/vmware.py

@@ -156,7 +156,13 @@ def find_datastore_by_name(content, datastore_name):
 
 def find_dvs_by_name(content, switch_name):
 
-    vmware_distributed_switches = get_all_objs(content, [vim.dvs.VmwareDistributedVirtualSwitch])
+    # https://github.com/vmware/govmomi/issues/879
+    # https://github.com/ansible/ansible/pull/31798#issuecomment-336936222
+    try:
+        vmware_distributed_switches = get_all_objs(content, [vim.dvs.VmwareDistributedVirtualSwitch])
+    except IndexError:
+        vmware_distributed_switches = get_all_objs(content, [vim.DistributedVirtualSwitch])
+
     for dvs in vmware_distributed_switches:
         if dvs.name == switch_name:
             return dvs