Fixing url-filter fields

imagedb/views.py

@@ -19,7 +19,7 @@ class NispRawFrameFilterSet(ModelFilterSet):
   class Meta:
     model = NispRawFrame
     fields = [f.name for f in NispRawFrame._meta.get_fields() 
-              if hasattr(f, 'serialize') and f.serialize]
+              if not hasattr(f, 'subfields')]
     
   
 class NispRawFrameViewSet(viewsets.ReadOnlyModelViewSet):