Obviously, she promoted mostly women.

The 2013 rule meant no more than 60% of new appointments to management positions in public service should go to one sex. Ms Hidalgo's recruitment drive saw 69% of the jobs go to women.

Addressing a council meeting, the Socialist mayor joked: "The management of the city hall has, all of a sudden, become far too feminist."

[...]

"I am happy to announce we have been fined," Ms Hidalgo said.

[...]

"This fine is obviously absurd, unfair, irresponsible and dangerous," she said.

https://www.bbc.com/news/world-europe-55330297

Notably:

In 2019, fines were dropped for appointing too many women or too many men to new jobs, as long as the overall gender balance was not affected.

We all know what that "balance" means.