Removed unneeded use of len() in a couple expressions.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6483 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/management/base.py

@@ -161,7 +161,7 @@ class NoArgsCommand(BaseCommand):
     args = ''
 
     def handle(self, *args, **options):
-        if len(args) != 0:
+        if args:
             raise CommandError("Command doesn't accept any arguments")
         return self.handle_noargs(**options)