django-haystack filter engine with elastic search backend. It gaves a list of all engine but i want to display only one engine that matches with maker

[Priyanka patil]

class PartLookUpHaystackSerializer(HaystackFacetSerializer):

    serialize_objects = True

    class Meta:
        # The `index_classes` attribute is a list of which search indexes
        # we want to include in the search.
        index_classes = [PartIndex]

        
        # The `fields` contains all the fields we want to include.
        # NOTE
: Make sure you don't confuse these with model attributes. These
        # fields belong to the search index!
        fields = [
            'title', 'description', 'partnumber', 'make', 'make_slug', 
'year', 'fitment_model', 'fitment_model_slug', 'engine', 'parttype_slug', 
            'parttype', 'submodel', 'subcategory', 'engine', 'slug', 'id', 
'coreprice', 'price', 'images', 'mfg_name', 'mfg_name_slug',
            'sub_title', 'zipcode', 'third_party_name', 'quantity', 
'modified_price', 'core_price', 'part_warranty', 'minimum_order_qty'

        ]

        field_options = {
            'title': {},
            'description': {},
            'make_slug':{},
            'year':{},
            'fitment_model_slug':{},
            'parttype_slug':{},
            'submodel':{},
            'subcategory':{},
            'engine':{},
            'mfg_name':{},
            'mfg_name_slug':{}
        }

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