Fix typo

recircle/instance/views.py

@@ -55,7 +55,7 @@ class InstanceDetail(APIView):
         instance = self.get_object(pk)
         instanceDict = InstanceSerializer(instance).data
 
-        interface = OSVirtualMachineManager(setting.CONNECTION)
+        interface = OSVirtualMachineManager(settings.CONNECTION)
         remoteInstance = interface.get_vm(instance.remote_id)
         remoteInstanceDict = remoteInstance.__dict__