Removed unneeded 'import sys' from base.py handler

git-svn-id: http://code.djangoproject.com/svn/django/trunk@2668 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/handlers/base.py

@@ -134,7 +134,6 @@ class BaseHandler:
         Returns an HttpResponse that displays a TECHNICAL error message for a
         fundamental database or coding error.
         """
-        import sys
         from django.views import debug
         if is404:
             return debug.technical_404_response(request, exception)