Removing the setting of the nova policy line

Due to the removal of the nova policy.json file, everthing is
failing the dsvm gate. This should fix the until devstack addresses
the recent nova change.
Also fix pep8 failures

Change-Id: I69681dbb9cc9dcbe02e2e5514d999747b7efeae3
Fixes-Bug: 1642713

astara/api/nova.py

@@ -225,6 +225,7 @@ class OnDemandInstanceProvider(InstanceProvider):
 
         return instance_info
 
+
 INSTANCE_PROVIDERS = {
     'on_demand': OnDemandInstanceProvider,
     'pez': PezInstanceProvider,

astara/db/sqlalchemy/models.py

@@ -71,6 +71,7 @@ class AstaraBase(models.TimestampMixin,
 
         super(AstaraBase, self).save(session)
 
+
 Base = declarative_base(cls=AstaraBase)
 
 

devstack/plugin.sh

@@ -294,9 +294,9 @@ if is_service_enabled astara; then
 
     elif [[ "$1" == "stack" && "$2" == "install" ]]; then
         echo_summary "Installing Astara"
-        if is_service_enabled n-api; then
-            set_neutron_user_permission
-        fi
+        #if is_service_enabled n-api; then
+            #set_neutron_user_permission
+        #fi
         install_astara
 
     elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then