[GeoNode-users] External Resources Thumbnails won't get generated

[Tomas Kliment]

Dear users,

I have set up this site: http://skpilot-viewer.virt.ics.muni.cz based on
geonode and have experienced the following problem.

When I try to create a thumbnail for external resource, e.g. :
http://skpilot-viewer.virt.ics.muni.cz/layers/esp_maps%3Aesp-layer-589-DB

I get error:

ValueError at /layers/esp_maps:esp-layer-589-DB/thumbnail
The view geonode.layers.views.layer_thumbnail didn't return an
HttpResponse object.

from the POST request:

http://147.251.253.141/layers/esp_maps:esp-layer-589-DB/thumbnail

Anyone experienced similar behaviour before and could advice me how to fix this?

Thank you in advance,

Tomas
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