diff --git a/src/django_oapif/decorators.py b/src/django_oapif/decorators.py
index 7d7b98a9..330d6bda 100644
--- a/src/django_oapif/decorators.py
+++ b/src/django_oapif/decorators.py
@@ -90,7 +90,7 @@ class Viewset(OAPIFDescribeModelViewSetMixin, viewsets.ModelViewSet):
             oapif_description = Model.__doc__
 
             # (one day this will be retrieved automatically from the serializer)
-            oapif_geom_lookup = _viewset_oapif_geom_lookup
+            oapif_geom_lookup = viewset_oapif_geom_lookup
             filter_backends = [BboxFilterBackend]
 
             # Allowing '.' and '-' in urls
diff --git a/src/signalo/core/tests.py b/src/signalo/core/tests.py
index ec6d3ad8..389cc918 100644
--- a/src/signalo/core/tests.py
+++ b/src/signalo/core/tests.py
@@ -1,7 +1,6 @@
 import cProfile
 import inspect
 import io
-import json
 import logging
 import os
 import pstats