diff --git a/setup.py b/setup.py
index 42cb7df..7fe0948 100644
--- a/setup.py
+++ b/setup.py
@@ -21,5 +21,6 @@ setup(
     ],
     packages=find_packages(),
     include_package_data=True,
+    test_suite='tests.runtests.runtests',
 )
 
diff --git a/tests/runtests.py b/tests/runtests.py
index 9258151..97d86d5 100644
--- a/tests/runtests.py
+++ b/tests/runtests.py
@@ -1,7 +1,8 @@
 
 """Borrowed from Carl Meyer's django-adminfiles."""
 
-import os, sys
+import os
+import sys
 
 parent = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.insert(0, parent)