Exception when running /autosort helpers swap

[de-vri-es]

Running /autosort helpers swap causes a python exception:

2023-09-25 10:25 ▬!▬ python: error in function "on_autosort_command"
2023-09-25 10:26 autosort: Helper variables:
2023-09-25 10:26           core_first: ${info:autosort_replace,#,,${info:autosort_escape,${buffer.name}}}
2023-09-25 10:26        hashless_name: ${if:${buffer.full_name}!=core.weechat}
2023-09-25 10:26        irc_raw_first: ${if:${buffer.full_name}!=irc.irc_raw}
2023-09-25 10:26         irc_raw_last: ${if:${buffer.full_name}==irc.irc_raw}
2023-09-25 10:26     script_or_plugin: ${if:${script_name}?${script_name}:${plugin}}
2023-09-25 10:26 python: stdout/stderr (autosort): Traceback (most recent call last):
2023-09-25 10:26 python: stdout/stderr (autosort):   File "/home/maarten/.weechat/python/autoload/autosort.py", line 802, in on_autosort_command
2023-09-25 10:26 python: stdout/stderr (autosort):     return call_command(buffer, ['/autosort'], args, {
2023-09-25 10:26 python: stdout/stderr (autosort):            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-25 10:26 python: stdout/stderr (autosort):   File "/home/maarten/.weechat/python/autoload/autosort.py", line 635, in call_command
2023-09-25 10:26 python: stdout/stderr (autosort):     return call_command(buffer, command, tail, child)
2023-09-25 10:26 python: stdout/stderr (autosort):            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-25 10:26 python: stdout/stderr (autosort):   File "/home/maarten/.weechat/python/autoload/autosort.py", line 637, in call_command
2023-09-25 10:26 python: stdout/stderr (autosort):     return child(buffer, command, tail)
2023-09-25 10:26 python: stdout/stderr (autosort):            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-25 10:26 python: stdout/stderr (autosort):   File "/home/maarten/.weechat/python/autoload/autosort.py", line 619, in command_helper_swap
2023-09-25 10:26 python: stdout/stderr (autosort):     config.helpers.swap(index_a, index_b)
2023-09-25 10:26 python: stdout/stderr (autosort):     ^^^^^^^^^^^^^^^^^^^
2023-09-25 10:26 python: stdout/stderr (autosort): AttributeError: 'dict' object has no attribute 'swap'