anchor.diff:      owner = "solokeys";
       repo = pname;
       rev = version;
  -    sha256 = "05rwqrhr1as6zqhg63d6wga7l42jm2azbav5w6ih8mx5zbxf61yz";
  +    sha256 = "sha256-OCiKa6mnqJGoNCC4KqI+hMw22tzhdN63x9/KujNJqcE=";
     };
   
     # replaced pinned fido, with unrestricted fido version
  
positive.code: 
    propagatedBuildInputs = [
      click
      ecdsa
      fido2
      intelhex
  
negative.code: { lib
  , buildPythonPackage
  , fetchFromGitHub
  , pythonOlder
  , click
  , cryptography
  , ecdsa
  , fido2
  , intelhex
  , pyserial
  , pyusb
  , requests
  }:
  
   buildPythonPackage rec {
    pname = "solo-python";
    version = "0.0.27";
    format = "flit";
    disabled = pythonOlder "3.6"; # only python>=3.6 is supported
  
  