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)
 

django/core/management/commands/runserver.py

@@ -20,7 +20,7 @@ class Command(BaseCommand):
         import django
         from django.core.servers.basehttp import run, AdminMediaHandler, WSGIServerException
         from django.core.handlers.wsgi import WSGIHandler
-        if len(args) != 0:
+        if args:
             raise CommandError('Usage is runserver %s' % self.args)
         if not addrport:
             addr = ''