code: def _validate_alias_file_path(alias_file_path):
      
      if not os.path.exists(alias_file_path):
          raise CLIError(ALIAS_FILE_NOT_FOUND_ERROR)
  
      if os.path.isdir(alias_file_path):
          raise CLIError(ALIAS_FILE_DIR_ERROR.format(alias_file_path))
docs: Make sure the alias file path is neither non-existant nor a directory
  
      Args:
          The alias file path to import aliases from.