Enable H233: Python 3.x incompatible use of print operator

This commit removes H233 from ignored list and fixes corresponding code
to pass the check.

Change-Id: I5f842e74e5c05f421307e29c059d63b309f1d23d

murano/common/wsgi.py

@@ -206,16 +206,16 @@ class Debug(Middleware):
 
     @webob.dec.wsgify
     def __call__(self, req):
-        print ("*" * 40) + " REQUEST ENVIRON"
+        print(("*" * 40) + " REQUEST ENVIRON")
         for key, value in req.environ.items():
             print(key, "=", value)
-        print
+        print("")
         resp = req.get_response(self.application)
 
-        print ("*" * 40) + " RESPONSE HEADERS"
+        print(("*" * 40) + " RESPONSE HEADERS")
         for (key, value) in resp.headers.iteritems():
             print(key, "=", value)
-        print
+        print("")
 
         resp.app_iter = self.print_generator(resp.app_iter)
 
@@ -226,12 +226,12 @@ class Debug(Middleware):
         """Iterator that prints the contents of a wrapper string iterator
         when iterated.
         """
-        print ("*" * 40) + " BODY"
+        print(("*" * 40) + " BODY")
         for part in app_iter:
             sys.stdout.write(part)
             sys.stdout.flush()
             yield part
-        print
+        print("")
 
 
 class Router(object):

murano/tests/unit/policy/test_congress_rules.py

@@ -96,7 +96,6 @@ class TestCongressRules(unittest.TestCase):
         rules = congress_rules.convert(model, package_loader,
                                        tenant_id=TENANT_ID)
         rules_str = ", \n".join(map(str, rules))
-        print rules_str
 
         return rules_str
 
@@ -224,7 +223,6 @@ class TestCongressRules(unittest.TestCase):
         tenant_id = uuidutils.generate_uuid()
         rules = congress_rules.convert(model, tenant_id=tenant_id)
         rules_str = ", \n".join(map(str, rules))
-        print rules_str
 
         self.assertTrue('murano:objects+("1", "{0}", "t1")'.format(tenant_id)
                         in rules_str)

tox.ini

@@ -39,10 +39,9 @@ commands = bash tools/lintstack.sh
 commands = oslo-config-generator --config-file etc/oslo-config-generator/murano.conf
 
 [flake8]
-# H233  Python 3.x incompatible use of print operator
 # H405 Multi line docstring summary not separated with an empty line
 
-ignore = H233,H405
+ignore = H405
 show-source = true
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,tools