code: def _is_inline_definition(arg):
      '''
      Returns True, if arg is an inline definition of a statement.
      '''
      return isinstance(arg, dict) and len(arg) == 1 and isinstance(next(six.itervalues(arg)), listf _is_inline_definition(arg):
      '''
      Returns True, if arg is an inline definition of a statement.
      '''
      return isinstance(arg, dict) and len(arg) == 1 and isinstance(next(six.itervalues(arg)), list)
docs: Returns True, if arg is an inline definition of a statement.