I have fat fingers

mattermost/mattermost.py

@@ -188,7 +188,7 @@ class MattermostCollector(object):
         # Extract values
         data['public_channels'] = cls._get_value(res, 'channel_open_count')
         data['private_channels'] = cls._get_value(res, 'channel_private_count')
-        data['total_websocket_connections'] = clis._get_value(res, 'total_websocket_connections')
+        data['total_websocket_connections'] = cls._get_value(res, 'total_websocket_connections')
         data['posts'] = cls._get_value(res, 'post_count')
         data['users'] = cls._get_value(res, 'unique_user_count')
         data['teams'] = cls._get_value(res, 'team_count')