APNS_SANDBOX should be a bool.

Fixes: #1480

zerver/lib/push_notifications.py

@@ -42,6 +42,9 @@ connection = None
 # by the Dropbox certs (and have an app id of com.dropbox.zulip)
 dbx_connection = None
 
+# `APNS_SANDBOX` should be a bool
+assert isinstance(settings.APNS_SANDBOX, bool)
+
 def get_apns_key(token):
     return 'apns:' + token
 

zproject/local_settings.py

@@ -76,7 +76,7 @@ S3_BUCKET="humbug-user-uploads"
 S3_AUTH_UPLOADS_BUCKET = "zulip-user-uploads"
 S3_AVATAR_BUCKET="humbug-user-avatars"
 
-APNS_SANDBOX = "push_production"
+APNS_SANDBOX = False
 APNS_FEEDBACK = "feedback_production"
 APNS_CERT_FILE = "/etc/ssl/django-private/apns-dist.pem"
 DBX_APNS_CERT_FILE = "/etc/ssl/django-private/dbx-apns-dist.pem"