Add E126 pep8 rule

Updated rally code with E126 pep8 rule

Closes-Bug:#1432078
Change-Id: Iefebdc6fdc4604869f26711240370b9e007e55df

tests/unit/fakes.py

@@ -1150,12 +1150,11 @@ class FakeNeutronClient(object):
         return {"router": router}
 
     def create_subnet(self, data):
-        subnet = setup_dict(data["subnet"],
-                            required=["network_id", "cidr", "ip_version"],
-                            defaults={
-                                "name": generate_name("subnet_"),
-                                "dns_nameservers": ["8.8.8.8", "8.8.4.4"]
-                            })
+        subnet = setup_dict(
+            data["subnet"],
+            required=["network_id", "cidr", "ip_version"],
+            defaults={"name": generate_name("subnet_"),
+                      "dns_nameservers": ["8.8.8.8", "8.8.4.4"]})
         if subnet["network_id"] not in self.__networks:
             raise neutron_exceptions.NeutronClientException
 

tox.ini

@@ -46,7 +46,7 @@ commands =
 downloadcache = ~/cache/pip
 
 [flake8]
-ignore = E126,H703
+ignore = H703
 show-source = true
 exclude=.venv,.git,.tox,dist,doc,*lib/python*,*egg,tools,build,setup.py