Note: The default ITS GitLab runner is a shared resource and is subject to slowdowns during heavy usage. You can run your own GitLab runner that is dedicated just to your group if you need to avoid processing delays.
If you like, you can do for member in self.group_data['memberDn'] or []: instead of checking whether it's a list first.
Or if you really wanted to golf it:
self.group_data['members'].extend([parse_dn(x)[0][1] for x in self.group_data['memberDn'] or []])
If you like, you can do `for member in self.group_data['memberDn'] or []:` instead of checking whether it's a list first.
Or if you really wanted to golf it:
```
self.group_data['members'].extend([parse_dn(x)[0][1] for x in self.group_data['memberDn'] or []])
```