Django Rest Filter exclude CSV in url

filters.py

class NumberInFilter(django_filters.BaseInFilter, django_filters.NumberFilter):
    pass

class UsernameFilter(filters.FilterSet):
    username = django_filters.CharFilter(lookup_expr='icontains')
    id =  NumberInFilter(name='id', lookup_expr='in',exclude=True)

    class Meta:
        model = User
        fields = ['username','id']