with import {}; let myPython = python36.withPackages(ps: [ps.trezor ps.pytest ps.flake8 ps.isort ps.black ps.Mako ps.munch]); in stdenv.mkDerivation { name = "trezor-core-dev"; buildInputs = [ myPython protobuf scons gnumake gcc gcc-arm-embedded-7 pkgconfig SDL2 SDL2_image ]; }