diff --git a/.travis.yml b/.travis.yml
index 6fcf612..7a8ad65 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,7 @@ matrix:
         - python: 3.7-dev
           env: TOXENV=py37
 install:
-    - pip install -r requirements.txt
+    - pip install Django>=1.11
     - pip install tox==3.0.0
     - pip install coveralls==1.3.0
     - pip install coverage==4.5.1
diff --git a/eav/queryset.py b/eav/queryset.py
index 8ed05f6..8a8eecf 100644
--- a/eav/queryset.py
+++ b/eav/queryset.py
@@ -262,7 +262,7 @@ class EavQuerySet(QuerySet):
         Pass *args* and *kwargs* through ``eav_filter``, then pass to
         the ``models.Manager`` filter method.
         '''
-        return super().filter(*args, **kwargs)
+        return super(EavQuerySet, self).filter(*args, **kwargs)
 
     @eav_filter
     def exclude(self, *args, **kwargs):
@@ -270,7 +270,7 @@ class EavQuerySet(QuerySet):
         Pass *args* and *kwargs* through ``eav_filter``, then pass to
         the ``models.Manager`` exclude method.
         '''
-        return super().exclude(*args, **kwargs)
+        return super(EavQuerySet, self).exclude(*args, **kwargs)
 
     @eav_filter
     def get(self, *args, **kwargs):
@@ -278,4 +278,4 @@ 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(EavQuerySet, self).get(*args, **kwargs)
diff --git a/tests/models.py b/tests/models.py
index a3da3c2..9af15e1 100644
--- a/tests/models.py
+++ b/tests/models.py
@@ -37,4 +37,4 @@ class M2MModel(models.Model):
     models = models.ManyToManyField(ExampleModel)
 
     def __unicode__(self):
-        return self.name
\ No newline at end of file
+        return self.name
diff --git a/tox.ini b/tox.ini
index 915b27c..a66a9dc 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1,14 +1,13 @@
 [tox]
 envlist =
     py27-django{111},
-    py35-django{111,20,tip},
-    py36-django{111,20,tip},
-    py37-django{111,20,tip},
-
-commands = ./runtests
+    py35-django{111,20},
+    py36-django{111,20},
+    py37-django{111,20},
 
 [testenv]
 deps =
     django111: Django >=1.11, <2.0
     django20: Django >= 2.0, <2.1
     djangotip: https://github.com/django/django/archive/master.tar.gz
+commands = ./runtests