--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/crashgetbundler.py	Fri Feb 10 18:20:58 2017 +0100
@@ -0,0 +1,14 @@
+from __future__ import absolute_import
+
+from mercurial.i18n import _
+from mercurial import (
+        changegroup,
+        error,
+        extensions
+    )
+
+def abort(orig, *args, **kwargs):
+    raise error.Abort(_('this is an exercise'))
+
+def uisetup(ui):
+    extensions.wrapfunction(changegroup, 'getbundler', abort)