Fix equal comparison

Signed-off-by: Francesco Pace <pace.francesco.g@gmail.com>

zoe_master/plugins/storage/crystal.py

@@ -25,7 +25,7 @@ class Crystal:
 
     def transmit_policy(self, tenant, policy):
         message = "{}:{}".format(tenant, policy)
-        if self.channel['protocol'] is 'rabbitmq':
+        if self.channel['protocol'] == 'rabbitmq':
             log.debug("Transmitting policy to Crystal via RabbitMQ")
             rmq = RabbitMQ(self.channel['username'], self.channel['password'], self.channel['host'])
             rmq.open_connection()

zoe_master/scheduler/scheduler.py

@@ -112,7 +112,7 @@ class ZoeSimpleScheduler(ZoeBaseScheduler):
                     plugins = e.description['plugins']
                     if 'storage' in plugins:
                         for plugin in plugins['storage']:
-                            if plugin['name'] is 'crystal':
+                            if plugin['name'] == 'crystal':
                                 log.debug("Transmitting policy to Storage Plugin: Crystal")
                                 Crystal(plugin['channel']).transmit_policy(plugin['tenant'], plugin['policy'])