Bug summary

MPLBACKEND="module://foo.Bar" now tries to import the foo.bar module as opposed to foo.Bar, as before.

Code for reproduction

MPLBACKEND="module://foo.Bar"

Actual outcome

foo.bar is imported

Expected outcome

foo.Bar is imported

Additional information

This probably regressed in #27948.

Operating system

Fedora Linux 39

Matplotlib Version

3.9.0

Matplotlib Backend

No response

Python version

No response

Jupyter version

No response

Installation

None