Make default func27-smoke xenial-pike

Fix bare except for pep8

Change-Id: I79fec4d6c02e5614aa49bcc2439b82767d1283c4

src/lib/charm/openstack/tempest.py

@@ -328,7 +328,7 @@ class TempestAdminAdapter(adapters.OpenStackRelationAdapter):
         # If not running in an action context asssume auto mode
         try:
             action_args = hookenv.action_get()
-        except:
+        except Exception as e:
             action_args = {'service-whitelist': 'auto'}
         if action_args['service-whitelist'] == 'auto':
             white_list = []

src/tox.ini

@@ -35,7 +35,7 @@ commands =
 # Run a specific test as an Amulet smoke test (expected to always pass)
 basepython = python2.7
 commands =
-    bundletester -vl DEBUG -r json -o func-results.json gate-basic-xenial-mitaka --no-destroy
+    bundletester -vl DEBUG -r json -o func-results.json gate-basic-xenial-pike --no-destroy
 
 [testenv:func27-dfs]
 # Run all deploy-from-source tests which are +x (may not always pass!)