html module is shipped with python 3.6.4.
Only thing I can think of is that your PYTHONPATH is interfering in some way.
$ python3
Python 3.6.4 (v3.6.4:d48ecebad5, Dec 18 2017, 21:07:28)
[GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin
Type "help", "copyright", "credits" or "license" for more
Before my original post, I looked up html.parser in the Python documentation,
and everything I saw indicated to me that it was already installed.
I have now looked again at the documentation and can find examples using
html.parser, but nothing that tells me how to install it.
How do I install i