anchor.diff:    # Project has no tests
     doCheck = false;
   
  -  pythonImportsCheck = [ "mill" ];
  +  pythonImportsCheck = [
  +    "mill"
  +  ];
   
     meta = with lib; {
       description = "Python library for Mill heater devices";
  
positive.code: 
  { lib
  , aiohttp
  , async-timeout
  
negative.code: 
  buildPythonPackage rec {
    pname = "millheater";
    version = "0.8.1";
    disabled = pythonOlder "3.6";
  
    src = fetchFromGitHub {
      owner = "Danielhiversen";
      repo = "pymill";
      rev = version;
      sha256 = "0269lhb6y4c13n6krsl2b66ldvzkd26jlax7bbnkvag2iv7g6hzj";
    };
  
    propagatedBuildInputs = [
  