old_contents: # encoding: utf-8
  
  """
  .. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
  """
  
  from __future__ import absolute_import
  
  from ._app import sanitize_excel_sheet_name, validate_excel_sheet_name
  from ._file import sanitize_file_path, sanitize_filename, validate_file_path, validate_filename
  from ._ltsv import sanitize_ltsv_label, validate_ltsv_label
  from ._sqlite import validate_sqlite_attr_name, validate_sqlite_table_name
  from ._symbol import replace_symbol, validate_symbol
  from .error import (
      InvalidCharError, InvalidCharWindowsError, InvalidLengthError, ValidationError,
      InvalidReservedNameError, NullNameError, ReservedNameError, ValidReservedNameError)
  from .variable import (
      ElasticsearchIndexNameSanitizer, JavaScriptVarNameSanitizer, PythonVarNameSanitizer,
      sanitize_js_var_name, sanitize_python_var_name, validate_js_var_name, validate_python_var_name)
  
new_contents: # encoding: utf-8
  
  """
  .. codeauthor:: Tsuyoshi Hombashi <tsuyoshi.hombashi@gmail.com>
  """
  
  from __future__ import absolute_import
  
  from .__version__ import __author__, __copyright__, __email__, __license__, __version__
  from ._app import sanitize_excel_sheet_name, validate_excel_sheet_name
  from ._file import sanitize_file_path, sanitize_filename, validate_file_path, validate_filename
  from ._ltsv import sanitize_ltsv_label, validate_ltsv_label
  from ._sqlite import validate_sqlite_attr_name, validate_sqlite_table_name
  from ._symbol import replace_symbol, validate_symbol
  from .error import (
      InvalidCharError, InvalidCharWindowsError, InvalidLengthError, ValidationError,
      InvalidReservedNameError, NullNameError, ReservedNameError, ValidReservedNameError)
  from .variable import (
      ElasticsearchIndexNameSanitizer, JavaScriptVarNameSanitizer, PythonVarNameSanitizer,
      sanitize_js_var_name, sanitize_python_var_name, validate_js_var_name, validate_python_var_name)
  
subject: Add authorship information