DEPRECATION: pycountry is being installed using the legacy 'setup.py install' method, because it does not have a 'pyproject.toml

4

This isn’t a problem.

python packaging authority is deprecating old setup.py based installations. 'setup.py install' is depracated · Issue #18718 · frappe/frappe · GitHub

You can ignore this warning for now

If you want to suppress them install wheel by using bench pip install wheel

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During install get deprecation notes