Earlier quoted context omitted.
I got a similar feeling from the last technical test I did. "It should take two or three hours". The failed me on a long list of nitpicks, including not setting up mocks for testing, not running pylint (I would need to install it on my personal machine) not providing a setup.py (which was never asked for) and numerous other trivial things some of which directly contradicted what the spec actually asked for. If I had…
Sounds like your reviewer was incompetent. Those seem like minor nits.
It was less than incompetent. Like I say some of the points went against what was actually written in the spec. They asked for a "page" of data, "no need to style it" then complained that I returned HTML and not JSON data.
Kind of pisses me off that I wasted a morning on it.