diff --git a/vmware_nsxlib/v3/policy_constants.py b/vmware_nsxlib/v3/policy_constants.py
index 8fbe154e..ad1aff0e 100644
--- a/vmware_nsxlib/v3/policy_constants.py
+++ b/vmware_nsxlib/v3/policy_constants.py
@@ -21,7 +21,7 @@ POLICY_INFRA_TENANT = 'infra'
 ACTION_ALLOW = 'ALLOW'
 ACTION_DENY = 'DENY'
 
-ANY_GROUP = "ANY"
+ANY_GROUP = 'ANY'
 
 CONDITION_KEY_TAG = 'Tag'
 CONDITION_MEMBER_VM = 'VirtualMachine'
diff --git a/vmware_nsxlib/v3/policy_defs.py b/vmware_nsxlib/v3/policy_defs.py
index 7536a31e..b5e4482f 100644
--- a/vmware_nsxlib/v3/policy_defs.py
+++ b/vmware_nsxlib/v3/policy_defs.py
@@ -89,11 +89,11 @@ class ResourceDef(object):
         entries_path = cls.sub_entries_path()
         if not entries_path:
             # This sub class doesn't support this
-            return None
+            return
 
         if (entries_path not in obj_body or
             len(obj_body[entries_path]) != 1):
-            return None
+            return
 
         return obj_body[entries_path][0]
 
diff --git a/vmware_nsxlib/v3/policy_resources.py b/vmware_nsxlib/v3/policy_resources.py
index c6dbf66b..7f1443aa 100644
--- a/vmware_nsxlib/v3/policy_resources.py
+++ b/vmware_nsxlib/v3/policy_resources.py
@@ -323,7 +323,7 @@ class NsxPolicyCommunicationProfileApi(NsxPolicyResourceBase):
     def create(self, name, profile_id=None, description=None,
                services=None, action=policy_constants.ACTION_ALLOW,
                tenant=policy_constants.POLICY_INFRA_TENANT):
-        """Create a Communication proflie with a single entry.
+        """Create a Communication profile with a single entry.
 
         Services should be a list of service ids
         """
@@ -561,7 +561,7 @@ class NsxPolicyEnforcementPointApi(NsxPolicyResourceBase):
     def update(self, ep_id, name=None, description=None,
                ip_address=None, username=None, password=None,
                tenant=policy_constants.POLICY_INFRA_TENANT):
-        """Update the enforcment point.
+        """Update the enforcement point.
 
         username & password must be defined
         """