add container to testdata.py

core/core/metrics.py

@@ -12,8 +12,6 @@ class ItemCountCollector(object):
     def collect(self):
         counter = CounterMetricFamily("item_count", "Current number of items", labels=['event', 'returned_state'])
 
-        yield counter
-
         if not apps.models_ready or not apps.apps_ready:
             return
 
@@ -53,8 +51,6 @@ class TicketCountCollector(object):
         yield counter
 
 
-try:
+
 REGISTRY.register(ItemCountCollector())
 REGISTRY.register(TicketCountCollector())
-except Exception as e:
-    print(e)