···5050 pytest-pep8 = pytestpep8; # added 2021-01-04
5151 pytestpep8 = throw "pytestpep8 was removed because it is abandoned and no longer compatible with pytest v6.0"; # added 2020-12-10
5252 qasm2image = throw "qasm2image is no longer maintained (since November 2018), and is not compatible with the latest pythonPackages.qiskit versions."; # added 2020-12-09
5353+ rotate-backups = throw "pythonPackages.rotate-backups was removed in favor of the top-level rotate-backups"; # added 2021-07-01
5354 selectors34 = throw "selectors34 has been removed: functionality provided by Python itself; archived by upstream."; # Added 2021-06-10
5455 setuptools_scm = setuptools-scm; # added 2021-06-03
5556 smart_open = smart-open; # added 2021-03-14