Update hacking and fix warning

Change-Id: If1358bcfc3f914956f8917cbbcea894f6264febc

mistral_lib/actions/context.py

@@ -103,4 +103,5 @@ class ActionContextSerializer(serialization.DictBasedSerializer):
             execution_ctx=ExecutionContext(**entity_dict['execution'])
         )
 
+
 serialization.register_serializer(ActionContext, ActionContextSerializer())

mistral_lib/actions/types.py

@@ -78,4 +78,5 @@ class ResultSerializer(serialization.DictBasedSerializer):
             entity_dict.get('cancel', False)
         )
 
+
 serialization.register_serializer(Result, ResultSerializer())

mistral_lib/tests/actions/test_context.py

@@ -15,28 +15,28 @@ from mistral_lib.tests import base as tests_base
 
 
 def _fake_context():
-        security_ctx = context.SecurityContext(
-            auth_uri='auth_uri',
-            auth_cacert='auth_cacert',
-            insecure='insecure',
-            service_catalog='service_catalog',
-            region_name='region_name',
-            is_trust_scoped='is_trust_scoped',
-            redelivered='redelivered',
-            expires_at='expires_at',
-            trust_id='trust_id',
-            is_target='is_target',
-            project_id='project_id')
+    security_ctx = context.SecurityContext(
+        auth_uri='auth_uri',
+        auth_cacert='auth_cacert',
+        insecure='insecure',
+        service_catalog='service_catalog',
+        region_name='region_name',
+        is_trust_scoped='is_trust_scoped',
+        redelivered='redelivered',
+        expires_at='expires_at',
+        trust_id='trust_id',
+        is_target='is_target',
+        project_id='project_id')
 
-        execution_ctx = context.ExecutionContext(
-            workflow_execution_id='workflow_execution_id',
-            task_execution_id='task_execution_id',
-            action_execution_id='action_execution_id',
-            workflow_name='workflow_name',
-            callback_url='callback_url')
+    execution_ctx = context.ExecutionContext(
+        workflow_execution_id='workflow_execution_id',
+        task_execution_id='task_execution_id',
+        action_execution_id='action_execution_id',
+        workflow_name='workflow_name',
+        callback_url='callback_url')
 
-        ctx = context.ActionContext(security_ctx, execution_ctx)
-        return ctx
+    ctx = context.ActionContext(security_ctx, execution_ctx)
+    return ctx
 
 
 class TestActionsBase(tests_base.TestCase):

mistral_lib/utils/__init__.py

@@ -248,7 +248,7 @@ def cut_dict(d, length=100):
 
         idx += 1
 
-    if 0 <= length <= len(res) and res[length - 1] is not '}':
+    if 0 <= length <= len(res) and res[length - 1] != '}':
         res = res[:length - 3] + '...'
 
     return res
@@ -283,7 +283,7 @@ def cut_list(l, length=100):
             res += "'%s'" % s if is_str else s
         res += ', ' if idx < len(l) - 1 else ']'
 
-    if 0 <= length <= len(res) and res[length - 1] is not ']':
+    if 0 <= length <= len(res) and res[length - 1] != ']':
         res = res[:length - 3] + '...'
 
     return res

test-requirements.txt

@@ -2,7 +2,7 @@
 # of appearance. Changing the order has an impact on the overall integration
 # process, which may cause wedges in the gate later.
 
-hacking>=1.1.0,<1.2.0 # Apache-2.0
+hacking>=1.1.0 # Apache-2.0
 coverage!=4.4,>=4.0 # Apache-2.0
 sphinx>=1.8.0,<2.0.0;python_version=='2.7' # BSD
 sphinx>=1.8.0,!=2.1.0;python_version>='3.4' # BSD

tox.ini

@@ -58,7 +58,7 @@ commands = oslo_debug_helper -t mistral_lib/tests {posargs}
 # E123, E125 skipped as they are invalid PEP-8.
 
 show-source = True
-ignore = E123,E125
+ignore = E123,E125,W504
 builtins = _
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,build