DeprecationWarning in collections import #402
Description
Installing html5lib on CPython master generates the below warning. I think this was added as part of Python 3.7 and will be removed in the next version 3.8 which is under development. Just wanted to give a heads up on this.
/home/karthi/requests-html-env/lib/python3.8/site-packages/pip/_vendor/html5lib/_trie/_base.py:3:
DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated, and in 3.8 it will stop working
from collections import Mapping
Relevant code :
Possible solution : pyparsing/pyparsing#16
Thanks