diff --git a/django/core/management/base.py b/django/core/management/base.py
index 7a06b86936..0c458126e8 100644
--- a/django/core/management/base.py
+++ b/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)
 
diff --git a/django/core/management/commands/runserver.py b/django/core/management/commands/runserver.py
index 5b141d03ed..12808bcaad 100644
--- a/django/core/management/commands/runserver.py
+++ b/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 = ''