I think, on balance, it's not a good idea for us to add the UCSC DAS server. They specifically state that they'd prefer that programs not use their site and the low usage limitation may mean that users will be trampling all over each other. a.wunderlist.com is already on the ...
First, make sure that you are passing the request to the serializer context (see "Usage" section). There are some cases (e.g. nested serializers) where you cannot get rid of the warning that way (seeissue 27). In that case, you can silence the warning throughsettings.py: ...