old_contents: """
  .. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
  """
  
  from .__version__ import __author__, __copyright__, __email__, __license__, __version__
  from ._base import AbstractSanitizer, AbstractValidator
  from ._common import (
      Platform,
      ascii_symbols,
      normalize_platform,
      replace_ansi_escape,
      replace_unprintable_char,
      unprintable_ascii_chars,
      validate_null_string,
      validate_pathtype,
  )
  from ._filename import FileNameSanitizer, is_valid_filename, sanitize_filename, validate_filename
  from ._filepath import (
      FilePathSanitizer,
      is_valid_filepath,
      sanitize_file_path,
      sanitize_filepath,
      validate_file_path,
      validate_filepath,
  )
  from ._ltsv import sanitize_ltsv_label, validate_ltsv_label
  from ._symbol import replace_symbol, validate_symbol
  from .error import (
      ErrorReason,
      InvalidCharError,
      InvalidLengthError,
      InvalidReservedNameError,
      NullNameError,
      ReservedNameError,
      ValidationError,
      ValidReservedNameError,
  )
  
new_contents: """
  .. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
  """
  
  from .__version__ import __author__, __copyright__, __email__, __license__, __version__
  from ._base import AbstractSanitizer, AbstractValidator
  from ._common import (
      Platform,
      ascii_symbols,
      normalize_platform,
      replace_ansi_escape,
      replace_unprintable_char,
      unprintable_ascii_chars,
      validate_null_string,
      validate_pathtype,
  )
  from ._filename import FileNameSanitizer, is_valid_filename, sanitize_filename, validate_filename
  from ._filepath import (
      FilePathSanitizer,
      is_valid_filepath,
      sanitize_file_path,
      sanitize_filepath,
      validate_file_path,
      validate_filepath,
  )
  from ._ltsv import sanitize_ltsv_label, validate_ltsv_label
  from ._symbol import replace_symbol, validate_symbol
  from .error import (
      ErrorReason,
      InvalidCharError,
      InvalidLengthError,
      InvalidReservedNameError,
      NullNameError,
      ReservedNameError,
      ValidationError,
      ValidReservedNameError,
  )
  
  __all__ = (
      "__author__",
      "__copyright__",
      "__email__",
      "__license__",
      "__version__",
      "AbstractSanitizer",
      "AbstractValidator",
      "Platform",
      "ascii_symbols",
      "normalize_platform",
      "replace_ansi_escape",
      "replace_unprintable_char",
      "unprintable_ascii_chars",
      "validate_null_string",
      "validate_pathtype",
      "FileNameSanitizer",
      "is_valid_filename",
      "sanitize_filename",
      "validate_filename",
      "FilePathSanitizer",
      "is_valid_filepath",
      "sanitize_file_path",
      "sanitize_filepath",
      "validate_file_path",
      "validate_filepath",
      "sanitize_ltsv_label",
      "validate_ltsv_label",
      "replace_symbol",
      "validate_symbol",
      "ErrorReason",
      "InvalidCharError",
      "InvalidLengthError",
      "InvalidReservedNameError",
      "NullNameError",
      "ReservedNameError",
      "ValidationError",
      "ValidReservedNameError",
  )
  
subject: Add __all__