Filter doesn't support unicode characters

This is an example of trying to use a filter that has a unicode character.

[verbose] Exception (<type 'exceptions.UnicodeDecodeError'>) encountered on line #393 (/var/cpanel/transfer_sessions/reseller223mcresto202008080741447wdJ/item-RESTORE_AccountLocal_elektranet). Message: 'ascii' codec can't decode byte 0xe2 in position 52: ordinal not in range(128)