Server error: NotImplementedError: Python version None is currently not supported.

[dmankins]

Hi,

I've been plagued with the error message showing up in my message window:

"Server error: NotImplementedError: Python version None is currently not supported."

It turns out one of my anaconda environments has recently moved to Python 3.8.

Here's the contents of my anaconda-mode buffer (the existence of which I found when google took me to a page describing another issue --- even though I now see it's mentioned among the things to report if one is opening an issue):

`Traceback (most recent call last): File "/home/dm/.emacs.d/anaconda-mode/0.1.13/parso-0.3.1-py2.7.egg/parso/grammar.py", line 236, in load_grammar return _loaded_grammars[path] KeyError: '/home/dm/.emacs.d/anaconda-mode/0.1.13/parso-0.3.1-py2.7.egg/parso/python/grammar38.txt'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/home/dm/.emacs.d/anaconda-mode/0.1.13/parso-0.3.1-py2.7.egg/parso/grammar.py", line 239, in load_grammar with open(path) as f: FileNotFoundError: [Errno 2] No such file or directory: '/home/dm/.emacs.d/anaconda-mode/0.1.13/parso-0.3.1-py2.7.egg/parso/python/grammar38.txt'

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/home/dm/.emacs.d/anaconda-mode/0.1.13/service_factory-0.1.5-py2.7.egg/service_factory/service.py", line 101, in apply result = method(params) File "", line 99, in wrapper File "/home/dm/.emacs.d/anaconda-mode/0.1.13/jedi-0.13.1-py2.7.egg/jedi/api/init.py", line 95, in init self._grammar = parso.load_grammar() File "/home/dm/.emacs.d/anaconda-mode/0.1.13/parso-0.3.1-py2.7.egg/parso/grammar.py", line 250, in load_grammar return load_grammar(kwargs) File "/home/dm/.emacs.d/anaconda-mode/0.1.13/parso-0.3.1-py2.7.egg/parso/grammar.py", line 246, in load_grammar raise NotImplementedError(message) NotImplementedError: Python version None is currently not supported.

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/home/dm/.emacs.d/anaconda-mode/0.1.13/service_factory-0.1.5-py2.7.egg/service_factory/providers/basehttp.py", line 40, in do_POST status, response = self.server.service(data) File "/home/dm/.emacs.d/anaconda-mode/0.1.13/service_factory-0.1.5-py2.7.egg/service_factory/service.py", line 50, in call result = self.apply(method, args) File "/home/dm/.emacs.d/anaconda-mode/0.1.13/service_factory-0.1.5-py2.7.egg/service_factory/service.py", line 105, in apply server_error(args['id'], error) File "/home/dm/.emacs.d/anaconda-mode/0.1.13/service_factory-0.1.5-py2.7.egg/service_factory/errors.py", line 91, in server_error raise ServiceException(500, dumps(response)) service_factory.exceptions.ServiceException: (500, '{"jsonrpc": "2.0", "id": 1, "error": {"code": -32000, "message": "Server error", "data": "NotImplementedError(\'Python version None is currently not supported.\')"}}') `

Seeing the KeyError instead of the NotImplementedError would have gotten me to fix my problem faster, but I don't expect that is easy to do in a general way that would be universally helpful.

What I do think is both easy (and helpful even for elisp-averse users) is for the message to include: "See buffer anaconda-mode for more information." as part of the message.

A simple alternative might be to add to the FAQ that "Many problems may be solved by looking at the anaconda-mode buffer in your EMACS."

Thanks!

[CeleritasCelery]

So if I understand correctly, you resolved the issue but think it would be good to update the error message to point to the ananconda buffer?

[dmankins]

Yes, that's right. I suppose you could view it as a feature request that would make it easier to diagnose and fix problems like the one I had.

On Wed, Jan 29, 2020 at 12:18 AM Troy Hinckley notifications@github.com wrote:

So if I understand correctly, you resolved the issue but think it would be good to update the error message to point to the ananconda buffer?

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