anchor.diff:      psutil pyserial flask_login netaddr markdown sockjs-tornado
       pylru pyyaml sarge feedparser netifaces click websocket_client
       scandir chainmap future futures wrapt monotonic emoji
  -    frozendict cachelib sentry-sdk typing
  +    frozendict cachelib sentry-sdk typing filetype
     ] ++ lib.optionals stdenv.isDarwin [ py.pkgs.appdirs ];
   
     checkInputs = with py.pkgs; [ nose mock ddt ];
  
positive.code:     "websocket-client"
      "wrapt"
      "sentry-sdk"
    ];
  
  in py.pkgs.buildPythonApplication rec {
    pname = "OctoPrint";
    version = "1.3.11";
  
    src = fetchFromGitHub {
      owner  = "foosel";
      repo   = "OctoPrint";
      rev    = version;
      sha256 = "1102ki1819wsmkfg4riz4i0hjlr3w6nsvk8wrzqq0lc0s5ycf4jx";
    };
  
    propagatedBuildInputs = with py.pkgs; [
  
negative.code:     homepage = https://octoprint.org/;
      description = "The snappy web interface for your 3D printer";
      license = licenses.agpl3;
      maintainers = with maintainers; [ abbradar gebner ];
    };
  }
  