Django_filters filter option not visible on browsable api

[Shekhar Nunia]

Hi,

I am following these 
https://github.com/encode/django-rest-framework/issues/4689, 
https://stackoverflow.com/questions/63741389/django-rest-framework-filter-not-working-the-filter-button-is-not-showing-on-br
 
to see what I missed so that my filter not showing, sharing code snippet 
which was used

REST_FRAMEWORK = {
    "DEFAULT_FILTER_BACKENDS": [
"django_filters.rest_framework.DjangoFilterBackend"],
}


class ProductListAPIView(generics.ListAPIView):
    serializer_class = ProductSerializer
    filterset_class = ProductFilter

    def get_queryset(self):
        return ProductService().get_products()

    def get(self, request, *args, **kwargs):
        response = super().get(request, *args, **kwargs)
        return send_response(
            data=response.data,
            status_code=response.status_code,
            message=ResponseMessages.DATA_FETCH_SUCCESS,
        )

class ProductFilter(django_filters.FilterSet):
    price_min = django_filters.NumberFilter(field_name="price", lookup_expr=
"gte")
    price_max = django_filters.NumberFilter(field_name="price", lookup_expr=
"lte")

    class Meta:
        model = Product
        fields = [
            "brand",
            "product_name",
            "lens_category",
            "price_min",
            "price_max",
        ]

INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "django.contrib.postgres",
    "rest_framework",
    "products",
    "crispy_forms",
    "django_filters",
    "drf_yasg",
]

Django==4.2.4
django-crispy-forms==2.0
django-filter==23.2
djangorestframework==3.14.0

I tried to setup another basic new project with 1 model and in that case I 
was able to see filter button 
[image: Screenshot 2023-09-27 134800.png]

but this didn't work on my main project, can anyone help me understand what 
I missed on the above code snippet so that the filter not showing on 
browsable API even tho it's showing on swagger with all options.

I hope to get some help regarding this.

Thanks

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