Describe the bug

Current website gives:

I tried having a look on how to fix this, but went in a rabbit hole that the version switcher is generated by "list_versions.py" in the circle-ci scripts and this exceeded the time that I have. IMHO, such automation is over-engineered and does not make things more reliable, as we are seeing currently

Steps/Code to Reproduce

Go to https://scikit-learn.org/stable/

Expected Results

Not having the banner on top

Actual Results

The banner of the top of the website displays

Versions

stable