anchor.diff:  
     meta = with stdenv.lib; {
       description = "A browser-based frontend for GDB";
  +    homepage = "https://www.gdbgui.com/";
       license = licenses.gpl3;
       platforms = platforms.unix;
       maintainers = with maintainers; [ yrashk ];
  
positive.code:     pygdbmi
      pygments
      gevent
    ];
  
    src = fetchPypi {
      inherit pname version;
      sha256 = "0m1fnwafzrpk77yj3p26vszlz11cv4g2lj38kymk1ilcifh4gqw0";
    };
  
    postPatch = ''
  
negative.code: , pygdbmi
  , pygments
  , gevent
  , gevent-websocket
  , eventlet
  , }:
  
  buildPythonApplication rec {
    pname = "gdbgui";
    version = "0.13.2.1";
  
    buildInputs = [ gdb ];
    propagatedBuildInputs = [
  