self: super: { python = super.python.override { packageOverrides = python-self: python-super: { ntfy = python-super.ntfy.overrideAttrs (oldAttrs: { src = super.fetchgit { url = "https://github.com/dali99/ntfy"; rev = "aa6273bd4c4a4e40a861060c4fc757fe121e7866"; sha256 = "0zgkd1z4dimlzbs53x3797cq42x0r03nf4r1mjj2mvypnm5nijjp"; }; propagatedBuildInputs = with python-self; [ requests ruamel_yaml appdirs mock sleekxmpp emoji psutil dbus-python matrix-client ]; preBuild = '' export HOME="$TMP" ''; }); }; }; }