anchor.diff:    pyialarmxr = pyialarmxr-homeassistant; # added 2022-06-07
     pyialarmxr-homeassistant = throw "The package was removed together with the component support in home-assistant 2022.7.0"; # added 2022-07-07
     pyjson5 = json5; # added 2022-08-28
  +  pylibgen = throw "pylibgen is unmaintained upstreamed, and removed from nixpkgs"; # added 2020-06-20
     PyLD = pyld; # added 2022-06-22
     pymc3 = pymc; # added 2022-06-05, module was rename starting with 4.0.0
  +  pymssql = throw "pymssql has been abandoned upstream."; # added 2020-05-04
     pyreadability = readability-lxml; # added 2022-05-24
     pyroute2-core = throw "pyroute2 migrated back to a single package scheme in version 0.7.1"; # added 2022-07-16
     pyroute2-ethtool = throw "pyroute2 migrated back to a single package scheme in version 0.7.1"; # added 2022-07-16
  
positive.code:   asyncio-nats-client = nats-py; # added 2022-02-08
    Babel = babel; # added 2022-05-06
    bitcoin-price-api = throw "bitcoin-price-api has been removed, it was using setuptools 2to3 translation feautre, which has been removed in setuptools 58"; # added 2022-02-15
    bt_proximity = throw "'bt_proximity' has been renamed to/replaced by 'bt-proximity'"; # Converted to throw 2022-09-24
    carrot = throw "carrot has been removed, as its development was discontinued in 2012"; # added 2022-01-18
    class-registry = phx-class-registry; # added 2021-10-05
    ConfigArgParse = throw "'ConfigArgParse' has been renamed to/replaced by 'configargparse'"; # Converted to throw 2022-09-24
    cozy = throw "cozy was removed because it was not actually https://pypi.org/project/Cozy/."; # added 2022-01-14
    cryptography_vectors = "cryptography_vectors is no longer exposed in python*Packages because it is used for testing cryptography only."; # Added 2022-03-23
    dask-xgboost = throw "dask-xgboost was removed because its features are available in xgboost"; # added 2022-05-24
    dateutil = throw "'dateutil' has been renamed to/replaced by 'python-dateutil'"; # Converted to throw 2022-09-24
    demjson = throw "demjson has been removed, it was using setuptools 2to3 translation feature, which has been removed in setuptools 58"; # added 2022-01-18
    diff_cover = throw "'diff_cover' has been renamed to/replaced by 'diff-cover'"; # Converted to throw 2022-09-24
    discogs_client = throw "'discogs_client' has been renamed to/replaced by 'discogs-client'"; # Converted to throw 2022-09-24
    djangorestframework-jwt = throw "'djangorestframework-jwt' has been renamed to/replaced by 'drf-jwt'"; # Converted to throw 2022-09-24
    django-sampledatahelper = throw "django-sampledatahelper was removed because it is no longer compatible to latest Django version"; # added 2022-07-18
    django_2 = throw "Django 2 has reached it's projected EOL in 2022/04 and has therefore been removed."; # added 2022-03-05
    django_appconf = django-appconf; # added 2022-03-03
  
negative.code:   lammps-cython = throw "lammps-cython no longer builds and is unmaintained"; # added 2021-07-04
    loo-py = loopy; # added 2022-05-03
    Markups = markups; # added 2022-02-14
    MechanicalSoup = mechanicalsoup; # added 2021-06-01
    memcached = python-memcached; # added 2022-05-06
    mailman = throw "Please use pkgs.mailman"; # added 2022-04-29
    mailman-hyperkitty = throw "Please use pkgs.mailmanPackages.mailman-hyperkitty"; # added 2022-04-29
  