What's the proper way to do a "in" filter if django only takes last value?

[mhamid3d]

When querying with multiple values, as such:

api/products/?category__in=Office?category__in=Kitchen?category__in=Bedroom

Before cleanup the querydict will be:
category__in=['Office', 'Kitchen', 'Bedroom']

but after cleaning up the data, Django only takes the last value:
category__in=['Bedroom']

What is the proper way to do this then?

[carltongibson]

Are you sure you're using a multiple choice filter?

See e.g. https://django-filter.readthedocs.io/en/stable/ref/filters.html#modelmultiplechoicefilter