Making attach volume detach action work again.

Fixes syntax error and uses get_object() consistently. Also removes
extraneous print statement.

  * Fixes bug 929224

Change-Id: I34c2574b53241890a142471d4c47689348730646

horizon/horizon/dashboards/nova/instances_and_volumes/volumes/tables.py

@@ -134,7 +134,6 @@ def get_object_display(self, obj):
 
     def get_object_by_id(self, obj_id):
         for obj in self.data:
-            print self.get_object_id(obj)
             if self.get_object_id(obj) == obj_id:
                 return obj
         raise ValueError('No match found for the id "%s".' % obj_id)

horizon/horizon/dashboards/nova/instances_and_volumes/volumes/views.py

@@ -68,19 +68,20 @@ class EditAttachmentsView(tables.DataTableView):
     template_name = 'nova/instances_and_volumes/volumes/attach.html'
 
     def get_object(self):
-        if not hasattr(self, "object"):
+        if not hasattr(self, "_object"):
             volume_id = self.kwargs['volume_id']
             try:
-                self.object = api.volume_get(self.request, volume_id)
+                self._object = api.volume_get(self.request, volume_id)
             except:
-                self.object = None
+                self._object = None
                 exceptions.handle(self.request,
                                   _('Unable to retrieve volume information.'))
-        return self.object
+        return self._object
 
     def get_data(self):
         try:
-            attachments = [att for att in self.object.attachments if att]
+            volumes = self.get_object()
+            attachments = [att for att in volumes.attachments if att]
         except:
             attachments = []
             exceptions.handle(self.request,
@@ -102,7 +103,7 @@ def get(self, request, *args, **kwargs):
                                       "index")
         context = self.get_context_data(**kwargs)
         context['form'] = form
-        context['volume'] = self.object
+        context['volume'] = self.get_object()
         return self.render_to_response(context)
 
     def post(self, request, *args, **kwargs):