fix check arg name

diff --git a/newsletter/models.py b/newsletter/models.py
index 9d9f4d578e456c4c2217e1dccdd22ee32c46a5d5..6c9c7b484a5c5beb1b7bec3f4652a4a694179b39 100644 (file)
--- a/newsletter/models.py
+++ b/newsletter/models.py
@@ -63,9 +63,7 @@ class Subscriber(models.Model):
 
     def subscribe_in_mailman(self):
         try:
-            subprocess.run(
-                ['listadmin', '--add-member', self.email, settings.NEWSLETTER_NAME], check_call=True
-            )
+            subprocess.run(['listadmin', '--add-member', self.email, settings.NEWSLETTER_NAME], checkTrue)
         except subprocess.CalledProcessError:
             # maybe an error because email is already registered?
             result = subprocess.run(