diff --git a/django/core/urlresolvers.py b/django/core/urlresolvers.py
index f6e09c1f3e..950d387caa 100644
--- a/django/core/urlresolvers.py
+++ b/django/core/urlresolvers.py
@@ -254,12 +254,7 @@ class RegexURLResolver(object):
         try:
             return self._urlconf_module
         except AttributeError:
-            try:
-                self._urlconf_module = __import__(self.urlconf_name, {}, {}, [''])
-            except Exception, e:
-                # Either an invalid urlconf_name, such as "foo.bar.", or some
-                # kind of problem during the actual import.
-                raise ImproperlyConfigured, "Error while importing URLconf %r: %s" % (self.urlconf_name, e)
+            self._urlconf_module = __import__(self.urlconf_name, {}, {}, [''])
             return self._urlconf_module
     urlconf_module = property(_get_urlconf_module)