Hi there,

Pywit looks good.


Since you didn't share the original announcement post on Utopian, I will review the project as a whole instead of the recent updates.

- It seems pywit lacks support for ```witness_set_properties``` operation. It would be good if we have support for that. It's possible to broadcast witness updates (on witness params) by witnes' signing key. Which is useful on many cases.

- There are a couple of undefined ```self``` calls.<sup>[1](https://github.com/gitschwifty/pywit/blob/master/pywit/cli.py#L67), [2](https://github.com/gitschwifty/pywit/blob/master/pywit/cli.py#L88)</sup> causes errors on some calls. (See [an example log](https://gist.github.com/emre/374edd47f340c32c7a54d38f016c7c71))

- Regarding testing user inputs, you can have a look to one of my projects' testing file: https://github.com/emre/storm/blob/master/tests.py#L82. ```run_cmd``` and ```test_list_command``` functions may give a clue.

***

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