diff --git a/gaphor/misc/listmixins.py b/gaphor/misc/listmixins.py
index fe46b73964..3f56a28f41 100644
--- a/gaphor/misc/listmixins.py
+++ b/gaphor/misc/listmixins.py
@@ -210,7 +210,6 @@ class recursemixin(object):
     our specific case. ``__getslice__`` should be overridden, so we can make it
     behave like a normal python object (legacy, yes...).
 
-    >>> import sys
     >>> class rlist(recursemixin, getslicefix, list):
     ...     pass
     >>> class A(object):
diff --git a/setup.cfg b/setup.cfg
index 86ed000df9..b3441e1cb0 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,13 @@
-
 [egg_info]
 #tag_build = .dev
 #tag_svn_revision = 1
 
+[nosetests]
+with-doctest=1
+doctest-extension=.txt
+#tests=gaphor,doc
+verbosity=2
+detailed-errors=1
+#with-coverage=1
+cover-package=gaphor
+