diff --git a/ereuse_devicehub/resources/action/schemas.py b/ereuse_devicehub/resources/action/schemas.py
index 99234a7a..77bf5e72 100644
--- a/ereuse_devicehub/resources/action/schemas.py
+++ b/ereuse_devicehub/resources/action/schemas.py
@@ -39,6 +39,12 @@ class Action(Thing):
     parent = NestedOn(s_device.Computer, dump_only=True, description=m.Action.parent_id.comment)
     url = URL(dump_only=True, description=m.Action.url.__doc__)
 
+    @validates_schema
+    def validate_end_time(self, data: dict):
+        if 'end_time' in data:
+            import pdb; pdb.set_trace()
+        pass
+
 
 class ActionWithOneDevice(Action):
     __doc__ = m.ActionWithOneDevice.__doc__
diff --git a/ereuse_devicehub/resources/device/views.py b/ereuse_devicehub/resources/device/views.py
index 1542c548..d839fd0e 100644
--- a/ereuse_devicehub/resources/device/views.py
+++ b/ereuse_devicehub/resources/device/views.py
@@ -143,6 +143,7 @@ class DeviceView(View):
         # Compute query
         query = self.query(args)
         devices = query.paginate(page=args['page'], per_page=30)  # type: Pagination
+        import pdb; pdb.set_trace()
         return things_response(
             self.schema.dump(devices.items, many=True, nested=1),
             devices.page, devices.per_page, devices.total, devices.prev_num, devices.next_num