Ensure the default keyboard interrupt handler is restored

even if the test runner raises an exception.  Thanks Alex
Gaynor.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@12036 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/test/simple.py

@@ -27,7 +27,9 @@ class DjangoTestRunner(unittest.TextTestRunner):
         """
         self._default_keyboard_interrupt_handler = signal.signal(signal.SIGINT,
             self._keyboard_interrupt_handler)
+        try:
             result = super(DjangoTestRunner, self).run(*args, **kwargs)
+        finally:
             signal.signal(signal.SIGINT, self._default_keyboard_interrupt_handler)
         return result