python - Advance filtering with list of elements using django tastypie -

i using multiselectfield select multiple choices within django admin creates array fields in backend of choices select. use django tastypie's list field make sure list of elements api returns.

my problem building filter when put /api/?brand_category=clothing&q=athletic,bohemian in browser not return empty list. want know if doing wrong? or not building filters correctly?

models.py

class brand(models.model):      # category     brand_category = multiselectfield(max_length=100, blank=true, choices=categories))      # style     brand_style = multiselectfield(max_length=100, choices=styles, blank=true) 

api.py

class labelresource(modelresource):      brand_category = fields.listfield(attribute='brand_category')      brand_style = fields.listfield(attribute='brand_style')      class meta:          filtering = {             "brand_category": all,             "brand_style": all,             "q": ['exact', 'startswith', 'endswith', 'contains', 'in'],          }   def build_filters(self, filters=none):     if filters none:         filters = {}      orm_filters = super(labelresource, self).build_filters(filters)       if('q' in filters):         query = filters['q']          qset = (             q(brand_style__in=query)          )          orm_filters.update({'custom': qset})      return orm_filters  def apply_filters(self, request, applicable_filters):     if 'custom' in applicable_filters:         custom = applicable_filters.pop('custom')      else:         custom = none      semi_filtered = super(labelresource, self).apply_filters(request, applicable_filters)      return semi_filtered.filter(custom) if custom else semi_filtered 

json response

{   "brand_category": [     "clothing"   ],   "brand_style": [     "athletic",     "bohemian",     "casual"   ] } 

filters['q'] athletic,bohemian string. __in lookup need list or tuple.

query = filters['q'].split(',')