Does this actually work for usernames lists?

[Locksdsc]

It keeps sending this Expecting value: line 1 column 1 (char 0) 2024-12-01 05:24:36,842 - ERROR - Error checking username ficelle: Expecting value: line 1 column 1 (char 0) 2024-12-01 05:24:37,078 - ERROR - Error checking username lunaire: Expecting value: line 1 column 1 (char 0) 2024-12-01 05:24:37,376 - ERROR - Error checking user