lektor: pin mistune at 2.0.5

{ lib

, fetchFromGitHub

, fetchNpmDeps

, fetchPypi

, nodejs

, npmHooks

, python3

}:

let

  python = python3;

  python = python3.override {

    packageOverrides = self: super: {

      mistune = super.mistune.overridePythonAttrs (old: rec {

        version = "2.0.5";

        src = fetchPypi {

          inherit (old) pname;

          inherit version;

          hash = "sha256-AkYRPLJJLbh1xr5Wl0p8iTMzvybNkokchfYxUc7gnTQ=";

        };

      });

    };

  };

in python.pkgs.buildPythonApplication rec {

  pname = "lektor";

  version = "3.4.0b8";