Chris Sewell

Nore, from 0.17.0, the background colors are now specified as CSS variable: ```css :root { --mystnb-source-bg-color: #f7f7f7; --mystnb-stdout-bg-color: #fcfcfc; --mystnb-stderr-bg-color: #fdd; --mystnb-traceback-bg-color: #fcfcfc; --mystnb-source-border-color: #ccc; --mystnb-source-margin-color: green; --mystnb-stdout-border-color: #f7f7f7; --mystnb-stderr-border-color:...

It's this @choldgraf https://youtu.be/VUR0I5mqq7I

> We would need a very good reason to slow this operation down. @sphuber I've created a separate `SandboxShaRepositoryBackend` subclass, for use with `SqliteTempBackend`, so this will no longer affect...

> There is no reason that we cannot update the nodes attributes when exporting them, is there? In theory yes, but it's certainly not trivial; because now you would have...

@sphuber I also just added the requisite methods necessary to import an archive into a temporary profile, and added a test for the round-trip (profile1 -> archive -> profile2)

@sphuber in [69d4ea9](https://github.com/aiidateam/aiida-core/pull/5658/commits/69d4ea923d92a2ed2aa46f6dea92568ec560743a) I fixed a few places where I found that the backend was not being properly set. This is why it run fine in isolation, but failed when...

@sphuber tests are now parsing, so this is good to go

Thanks for the review @sphuber, I've addressed your comments, and I think your proposed commits could only be implemented, once the `Collection.__init__` code has been changed no?

Hey @sphuber do you have a specific use case in mind for this? I would point to the zen python "explicit is better than implicit" and ask why can't we...

> See https://github.com/aiidateam/aiida-core/issues/1172 . Apparently there were multiple use-cases from users. This is not a use case to use varadic arguments though, its an argument to use a list of...