[Mne_analysis] epochs should throw an error if labels doesn't exist

[Alexandre Gramfort]

hi,

I create the issue

https://github.com/mne-tools/mne-python/issues/5117

thanks for the bug report.

Alex


On Tue, Apr 10, 2018 at 10:38 PM, Dan Howarth <d.c.howarth at gmail.com> wrote:
> Let's say you have an epochs object which you believe has labels 'foo' and
> 'bar', but really 'bar' doesn't exist as a label in the object.
>
> epochs['bar'].average() throws an error, which seems reasonable
>
> epochs[['foo', 'bar']].average() does not throw an error and might be
> responsible for creating a whole field of brain science based on false
> results ;)
>
> This is 0.13.1
>
> -Dan
>
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