from django.views import generic


class FilteredListView(generic.ListView):
    """List view with support for filtering and sorting via django-filter.

    Usage:
        Set filter_set to your django_filters.FilterSet definition.
        Use view.filter.form in the template to access the filter form.

    Note:
        Always call super().get_queryset() when customizing get_queryset() to
        include the filter functionality.
    """

    filter_set = None

    def filter_kwargs(self):
        default_kwargs = {
            'data': self.request.GET,
            'request': self.request,
            'queryset': super().get_queryset()
        }

        return default_kwargs

    def filter(self):
        return self.filter_set(
            **self.filter_kwargs()
        )

    def get_queryset(self):
        qs = self.filter().qs
        return qs

from django.views import generic


class FilteredListView(generic.ListView):
    """List view with support for filtering and sorting via django-filter.

    Usage:
        Set filter_set to your django_filters.FilterSet definition.
        Use view.filter.form in the template to access the filter form.

    Note:
        Always call super().get_queryset() when customizing get_queryset() to
        include the filter functionality.
    """

    filter_set = None

    def filter(self):
        return self.filter_set(
            self.request.GET,
            request=self.request
        )

    def get_queryset(self):
        qs = self.filter().qs
        return qs

--- 
+++ 
@@ -15,10 +15,18 @@
 
     filter_set = None
 
+    def filter_kwargs(self):
+        default_kwargs = {
+            'data': self.request.GET,
+            'request': self.request,
+            'queryset': super().get_queryset()
+        }
+
+        return default_kwargs
+
     def filter(self):
         return self.filter_set(
-            self.request.GET,
-            request=self.request
+            **self.filter_kwargs()
         )
 
     def get_queryset(self):
Allow to override kwargs of filter
