* Package:    dev-python/matplotlib-3.6.0
 * Repository: python-modules-kit
 * USE:        amd64 elibc_glibc excel gtk3 kernel_linux python_targets_python3_7 qt5 userland_GNU
 * FEATURES:   preserve-libs userpriv
>>> Unpacking source...
>>> Unpacking matplotlib-3.6.0.tar.gz to /var/tmp/portage/dev-python/matplotlib-3.6.0/work
>>> Source unpacked in /var/tmp/portage/dev-python/matplotlib-3.6.0/work
>>> Preparing source in /var/tmp/portage/dev-python/matplotlib-3.6.0/work/matplotlib-3.6.0 ...
 * Will copy sources from /var/tmp/portage/dev-python/matplotlib-3.6.0/work/matplotlib-3.6.0
 * python3_7: copying to /var/tmp/portage/dev-python/matplotlib-3.6.0/work/matplotlib-3.6.0-python3_7
 * Build system packages:
 *   dev-python/setuptools         : 65.4.0
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-python/matplotlib-3.6.0/work/matplotlib-3.6.0 ...
 * python3_7: running distutils-r1_run_phase python_configure
 * Using python3.7 in global scope
 * python3_7: running distutils-r1_run_phase python_configure_all
>>> Source configured.
>>> Compiling source in /var/tmp/portage/dev-python/matplotlib-3.6.0/work/matplotlib-3.6.0 ...
 * python3_7: running distutils-r1_run_phase python_compile
cp: './build/matplotlib.egg-info' and '/var/tmp/portage/dev-python/matplotlib-3.6.0/work/matplotlib-3.6.0-python3_7/build/matplotlib.egg-info' are the same file
python3.7 setup.py build -j 1 --build-lib=/var/tmp/portage/dev-python/matplotlib-3.6.0/work/matplotlib-3.6.0-python3_7/build/lib

Beginning with Matplotlib 3.6, Python 3.8 or above is required.
You are using Python 3.7.14.

This may be due to an out of date pip.

Make sure you have pip >= 9.0.1.

 * ERROR: dev-python/matplotlib-3.6.0::python-modules-kit failed (compile phase):