anchor.diff:  
   buildPythonPackage rec {
     pname = "batchgenerators";
  -  version = "0.20.0";
  +  version = "0.20.1";
   
     disabled = isPy27;
   
  
positive.code:     owner = "MIC-DKFZ";
      repo = pname;
      rev = "v${version}";
      sha256 = "0cc3i4wznqb7lk8n6jkprvkpsby6r7khkxqwn75k8f01mxgjfpvf";
  
    };
  
    patches = [
      (fetchpatch {
        url = "https://github.com/MIC-DKFZ/batchgenerators/pull/59.patch";
        sha256 = "171b3dm40yn0wi91m9s2nq3j565s1w39jpdf1mvc03rn75i8vdp0";
  
negative.code: , isPy27
  , fetchFromGitHub
  , fetchpatch
  , pytestCheckHook
  , unittest2
  , future
  , numpy
  