add image_kwargs to report

[SophieHerbst]

Responds to issue #848

Now that mne has been updated, we can pass image_kwargs to report.add_epochs.
It works when I set the limits to the rejection limits in the config, but I cannot get it right when setting image_kwargs to None as per default.

 File "/home/sh254795/Documents/REPOS/mne-study-template/mne_bids_pipeline/_config_import.py", line 340, in _default_factory
    idx = allowlist.index(val)
ValueError: {'image_kwargs': None} is not in list

    assert val == typ(), (key, val)
AssertionError: ('report_add_epochs_kwargs', {'image_kwargs': None})

[SophieHerbst]

Not sure what to do about the tests. The doc consistency I don't understand and the ubuntu-latest seems to be using the latest stable mne where the changes in report.add_epochs are not yet included?
Also, there might be further changes necessary with the reworking you did on the ICA?

[SophieHerbst]

Also, it turns out that in order to use the rejection criteria from my config, I had to deal with the different scaling between rejection and plotting commands:

# add image kwargs for report
report_add_epochs_image_kwargs = {
"grad": {"vmin": 0, "vmax": reject["grad"]*1e15},
"mag": {"vmin": 0, "vmax": reject["mag"]*1e15},
  }

[larsoner]

For the consistency we should merge #863 first probably, it should fix things for you I think

We should maintain compat with latest MNE stable, so you'll need to inspect.getfullargspec(report.add_epochs) to determine whether or not to set image_kwargs I think

[SophieHerbst]

I think I need some help here

[larsoner]

@SophieHerbst pushed a few commits to DRY (don't repeat yourself) the code a bit, and also test that the option works -- locally the report seems to reflect reject:

Can you look and make sure you're still happy?

[SophieHerbst]

Thank you @larsoner I ran it again on my data and I am very happy with it now.

[hoechenberger]

Thanks @SophieHerbst and @larsoner!!!