Failure on formatting file

[rob-smallshire]

intentionally-blank format --format=empty --format=eof-newline --in-place flatten_010.py
Traceback (most recent call last):
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/bin/intentionally-blank", line 8, in <module>
    sys.exit(cli())
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/click/core.py", line 1130, in __call__
    return self.main(*args, **kwargs)
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/click/core.py", line 1055, in main
    rv = self.invoke(ctx)
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/click/core.py", line 1657, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/click/core.py", line 760, in invoke
    return __callback(*args, **kwargs)
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/intentionally_blank/cli.py", line 55, in format
    api.format_from_path_to_path(in_filepath=input, out_filepath=output, format_names=format, tab_size=tab_size, in_place=in_place)
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/intentionally_blank/api.py", line 40, in format_from_path_to_path
    format_from_lines_to_file(in_lines, out_file, formatters, tab_size=None)
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/intentionally_blank/api.py", line 49, in format_from_lines_to_file
    out_file.writelines(format_from_lines_to_lines(in_lines, format_names, tab_size))
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/intentionally_blank/api.py", line 59, in format_from_lines_to_lines
    formatters = [
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/intentionally_blank/api.py", line 60, in <listcomp>
    create_formatter(format_name, tab_size)
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/intentionally_blank/formatter.py", line 52, in create_formatter
    driver = create_extension(
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/intentionally_blank/extension.py", line 26, in create_extension
    manager = stevedore.driver.DriverManager(
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/stevedore/driver.py", line 54, in __init__
    super(DriverManager, self).__init__(
  File "/Users/rjs/.virtualenvs/core-python-abstract-base-classes/lib/python3.10/site-packages/stevedore/named.py", line 88, in __init__
    ', '.join(self._missing_names))
TypeError: sequence item 0: expected str instance, EmptyBlankLineFormatter found