sergeio/scaly-mongo — comment on commit 59c89d6d9fcdeae7408914ae1ac028d615b89738
File: scalymongo/structure_walker.py line 115
By allancaffee:

The name of this function is pretty ambiguous. I might recommend something more like `_expand_single_key`, but I'm not sure you'll even still want a separate function once you've fixed `_split_keys_on_dots`.