Bug summary

When installing Matplotlib (e.g. in the tests)

  xarray 2022.12.0 requires numpy>=1.20, but you have numpy 1.19.3 which is incompatible.
  pandas 1.5.2 requires numpy>=1.20.3; python_version < "3.10", but you have numpy 1.19.3 which is incompatible.

Code for reproduction

python -m pip install -ve .

Actual outcome

The warnings above

Expected outcome

No warnings

Additional information

No response

Operating system

No response

Matplotlib Version

main

Matplotlib Backend

No response

Python version

No response

Jupyter version

No response

Installation

None