failure in FV2504: cannot access local variable 'latest_file' where it is not associated with a value

[hf-kklein]

caused by #144
https://github.com/Hochfrequenz/edi_energy_mirror/actions/runs/10676486314/job/29590112417

edi_energy_mirror/edi_energy_mirror/edi_energy_de/FV2504/UTILTSMIG-informatorischeLesefassung1.1d_99991231_20250404.docx
2024-09-03 04:32:20.842 | WARNING | migmose.parsing:find_file_to_format:40 - ⚠️ No file found for UTILMDG
2024-09-03 04:32:20.843 | ERROR | migmose.parsing:get_latest_file:97 - Error processing file list: max() iterable argument is empty
Traceback (most recent call last):
File "/opt/hostedtoolcache/Python/3.12.5/x64/bin/migmose", line 8, in
sys.exit(main())
^^^^^^
File "/opt/hostedtoolcache/Python/3.12.5/x64/lib/python3.12/site-packages/click/core.py", line 1157, in call
return self.main(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/hostedtoolcache/Python/3.12.5/x64/lib/python3.12/site-packages/click/core.py", line 1078, in main
rv = self.invoke(ctx)
^^^^^^^^^^^^^^^^
File "/opt/hostedtoolcache/Python/3.12.5/x64/lib/python3.12/site-packages/click/core.py", line 1434, in invoke
return ctx.invoke(self.callback, **ctx.params)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/hostedtoolcache/Python/3.12.5/x64/lib/python3.12/site-packages/click/core.py", line 783, in invoke
return __callback(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/hostedtoolcache/Python/3.12.5/x64/lib/python3.12/site-packages/migmose/main.py", line 88, in main
dict_files = find_file_to_format(message_format, edi_energy_mirror_path, format_version)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/hostedtoolcache/Python/3.12.5/x64/lib/python3.12/site-packages/migmose/parsing.py", line 42, in find_file_to_format
file_dict[message_format] = get_latest_file(all_file_dict[message_format])
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/hostedtoolcache/Python/3.12.5/x64/lib/python3.12/site-packages/migmose/parsing.py", line 99, in get_latest_file
logger.info("Using the latest file: {}", latest_file)
^^^^^^^^^^^
UnboundLocalError: cannot access local variable 'latest_file' where it is not associated with a value