diff --git a/eav/queryset.py b/eav/queryset.py
index 254a7bd..cbf3d88 100644
--- a/eav/queryset.py
+++ b/eav/queryset.py
@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 '''
 Queryset.
 
@@ -259,7 +261,7 @@ class EavQuerySet(QuerySet):
         Pass *args* and *kwargs* through ``eav_filter``, then pass to
         the ``models.Manager`` filter method.
         '''
-        return super().filter(*args, **kwargs).distinct()
+        return super(self.__class__, self).filter(*args, **kwargs).distinct()
 
     @eav_filter
     def exclude(self, *args, **kwargs):
@@ -267,7 +269,7 @@ class EavQuerySet(QuerySet):
         Pass *args* and *kwargs* through ``eav_filter``, then pass to
         the ``models.Manager`` exclude method.
         '''
-        return super().exclude(*args, **kwargs).distinct()
+        return super(self.__class__, self).exclude(*args, **kwargs).distinct()
 
     @eav_filter
     def get(self, *args, **kwargs):
@@ -275,4 +277,4 @@ class EavQuerySet(QuerySet):
         Pass *args* and *kwargs* through ``eav_filter``, then pass to
         the ``models.Manager`` get method.
         '''
-        return super().get(*args, **kwargs)
+        return super(self.__class__, self).get(*args, **kwargs)
diff --git a/eav/validators.py b/eav/validators.py
index 0456a97..a31a68c 100644
--- a/eav/validators.py
+++ b/eav/validators.py
@@ -1,3 +1,5 @@
+# -*- coding: utf-8 -*-
+
 '''
 Validtors.