[BUG] Can't load movielens plot dataset

[phille42]

Description

When using

from cornac.datasets import movielens
plots, movie_ids = movielens.load_plot()

We will receive
HTTPError: HTTP Error 522: <none>

In which platform does it happen?

On Ubuntu22

How do we replicate the issue?

from cornac.datasets import movielens
plots, movie_ids = movielens.load_plot()

Expected behavior

Maintain the url (https://static.preferred.ai/cornac/datasets/movielens/ml_plot.zip) according to the source code.

cornac/cornac/datasets/movielens.py

Line 104 in d85c21d

url="https://static.preferred.ai/cornac/datasets/movielens/ml_plot.zip",