anchor.diff: -{ lib, stdenv, python3, fetchFromGitHub, git, pkg-config, fetchpatch }:
  +{ lib, stdenv, python3, fetchFromGitHub, git, pkg-config }:
   
   # Note:
   # Conan has specific dependency demands; check
  
positive.code:         sha256 = "1dv6mjsm67l1razcgmq66riqmsb36wns17mnipqr610v0z0zf5j0";
        };
      });
      pluginbase = super.pluginbase.overridePythonAttrs (oldAttrs: rec {
        version = "0.7";
        src = oldAttrs.src.override {
          inherit version;
          sha256 = "c0abe3218b86533cca287e7057a37481883c07acef7814b70583406938214cc8";
        };
      });
    };
  };
  
  in newPython.pkgs.buildPythonApplication rec {
    version = "1.27.0";
    pname = "conan";
  
    src = fetchFromGitHub {
      owner = "conan-io";
      repo = "conan";
      rev = version;
      sha256 = "0ncqs1p4g23fmzgdmwppgxr8w275h38hgjdzs456cgivz8xs9rjl";
    };
  
    propagatedBuildInputs = with newPython.pkgs; [
  
negative.code: 
    postPatch = ''
      substituteInPlace conans/requirements.txt \
        --replace "deprecation>=2.0, <2.1" "deprecation"
    '';
  
    meta = with lib; {
  