Traceback (most recent call last):
  File "/usr/bin/subset_symbols.py", line 65, in <module>
    main(sys.argv)
    ~~~~^^^^^^^^^^
  File "/usr/bin/subset_symbols.py", line 57, in main
    subset.subset_font(
    ~~~~~~~~~~~~~~~~~~^
        source_file_name,
        ^^^^^^^^^^^^^^^^^
        "NotoSansSymbols-Regular-Subsetted.ttf",
        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        include=target_coverage,
        ^^^^^^^^^^^^^^^^^^^^^^^^
    )
    ^
  File "/usr/lib/python3.13/site-packages/nototools/subset.py", line 76, in subset_font
    font = subset.load_font(source_file, opt)
  File "/usr/lib/python3.13/site-packages/fontTools/misc/loggingTools.py", line 374, in wrapper
    return func(*args, **kwds)
  File "/usr/lib/python3.13/site-packages/fontTools/subset/__init__.py", line 4079, in load_font
    font = ttLib.TTFont(
        fontFile,
    ...<4 lines>...
        fontNumber=options.font_number,
    )
  File "/usr/lib/python3.13/site-packages/fontTools/ttLib/ttFont.py", line 302, in __init__
    file = open(file, "rb")
FileNotFoundError: [Errno 2] No such file or directory: '--help'