anchor.diff:  
   buildPythonPackage rec {
     pname = "sunpy";
  -  version = "1.0.2";
  +  version = "1.0.6";
     disabled = pythonOlder "3.6";
   
     src = fetchFromGitHub {
       owner = "sunpy";
       repo = pname;
       rev = "v${version}";
  -    sha256 = "0dmfzxxsjjax9wf2ljyl4z07pxbshrj828zi5qnsa9rgk4148q9x";
  +    sha256 = "0j2yfhfxgi95rig8cfp9lvszb7694gq90jvs0xrb472hwnzgh2sk";
     };
   
     propagatedBuildInputs = [
  
positive.code:     export HOME=$(mktemp -d)
    '';
  
    checkPhase = ''
      pytest sunpy -k "not test_rotation"
    '';
  
    meta = with lib; {
  
negative.code: { stdenv
  , lib
  , buildPythonPackage
  , fetchFromGitHub
  , numpy
  