This Python module has split off from the mypy sources upstream, so now it needs splitting out of python3-mypy into its own package.
This package is required for the latest version of mypy, v0.660
gbp clone git@salsa.debian.org:med-team/python-mypy-extensions.git
Thanks!
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Direktorius, VšĮ "Darbo eigos", Vilnius, Lithuania