Traceback (most recent call last):


 "./installinstallmacos.py", line 528, in <module>

main()


 "./installinstallmacos.py", line 427, in main

su_catalog_url = args.sucatalog_url
AttributeError: 'Namespace' object has no attribute 'sucatalog_url'```
Traceback (most recent call last):


 "/home/ubuntu/.local/lib/python3.7/site-packages/urllib3/connection.py", line 141, in _new_conn

(self.host, self.port), self.timeout, **extra_kw)


 "/home/ubuntu/.local/lib/python3.7/site-packages/urllib3/util/connection.py", line 83, in create_connection

raise err


 "/home/ubuntu/.local/lib/python3.7/site-packages/urllib3/util/connection.py", line 73, in create_connection

sock.connect(sa)
ConnectionRefusedError: [Errno 111] Connection refused
