Enable H233

H233 (and H402) were temporarily disabled as part of the migration to
hacking 0.9. This patch fixes all H233 issues and re-enables
gating on them.

H402 has been removed in hacking
(I9426644fa708e9d5563abe04dc4ad656dbeb3656) so leave this one off as its
going away anyway.

Change-Id: Iae8f132c66c5e345dc2e9c2464f67609887c1475

novaclient/v1_1/shell.py

@@ -507,7 +507,7 @@ def _poll_for_status(poll_fn, obj_id, action, final_ok_states,
         sys.stdout.flush()
 
     if not silent:
-        print
+        print()
 
     while True:
         obj = poll_fn(obj_id)

novaclient/v3/shell.py

@@ -353,7 +353,7 @@ def _poll_for_status(poll_fn, obj_id, action, final_ok_states,
         sys.stdout.flush()
 
     if not silent:
-        print
+        print()
 
     while True:
         obj = poll_fn(obj_id)

tox.ini

@@ -27,7 +27,7 @@ downloadcache = ~/cache/pip
 
 [flake8]
 # TODO fix following rules from hacking 0.9
-# E131,E265,H233,H402,H405,H904
-ignore = E12,E131,E265,F811,F821,H233,H302,H402,H404,H405,H904
+# E131,E265,H402,H405,H904
+ignore = E12,E131,E265,F811,F821,H302,H402,H404,H405,H904
 show-source = True
 exclude=.venv,.git,.tox,dist,*openstack/common*,*lib/python*,*egg,build