DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated, and in 3.8 it will stop working

[garyvdm]

When using libsass with python 3.7, one gets this warning message:

lib/python3.7/site-packages/sass.py:582: DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated, and in 3.8 it will stop working
  elif isinstance(custom_functions, (collections.Set, collections.Sequence)):

[asottile]

Thanks for the report! working on a fix for this today!

[asottile]

This has been released as part of 0.15.0

[garyvdm]

Awesome. Thanks.