docs: def get_hook(hook_name):
      """Returns the specified hook.
  
      Args:
          hook_name (str)
  
      Returns:
          str - (the content of) the hook
  
      Raises:
          HookNotFoundError
      """
      if not pkg_resources.resource_exists(__name__, hook_name):
          raise HookNotFoundError
      return pkg_resources.resource_string(__name__, hook_name)