Yifan Wu

Did you do `pip install b2-ext`? The library was actually renamed from midas to `b2`, so the import path is ```python from b2 import B2 ``` I should have updated...

Hm, I don't think I've seen this one before. It might be something to do with your local python environment. Have you tried something along these lines? https://stackoverflow.com/questions/44623376/importerror-cannot-import-name-cbook

hm, i tried a fresh install and was not able to reproduce the error. Have you tried https://stackoverflow.com/questions/14295680/unable-to-import-a-module-that-is-definitely-installed? Might be a some file permissions issue. Also be sure to try...

Hi Brian, thanks for trying to do the PR! What may have happened is that you had installed b2 at some point in the past, and when you installed the...

Sorry just saw this. I'll update PyPi and let you know when its done! Thanks for putting in the effort to look, Brian!

Interesting! I was more thinking about supporting collapse just for the already nested nodes, like the screenshot I have above. That way the collapsing logic is clear---just shrinking the box...

Hey @lovasoa I'm trying to implement this, and I was a bit confused by what the `addFunction` does [here](https://github.com/kripken/sql.js/blob/master/coffee/api.coffee#L480). It doesn't seem to be defined anywhere in the repo? Thanks!