How to test for type or instance of dict_values?

[Peter Otten]

Thorsten Kampe wrote:

> How can I test for type or instance of dictviews like dict_values?

Why do you want to?
 
> `isinstance({}.values, dict_values)` gives
> `NameError: name 'dict_values' is not defined`

You can "fix" this with

>>> dict_values = type({}.values())

or, depending on the use case, use another test:

>>> isinstance({}.values(), collections.abc.ValuesView)
True

> """
>>>> type({}.values())
> <class 'dict_values'>
> """
> 
> Thorsten