anchor.diff:  
   buildPythonApplication rec {
     pname = "aws-sam-cli";
  -  version = "1.0.0rc1";
  +  version = "1.6.2";
   
     src = fetchPypi {
       inherit pname version;
  -    sha256 = "011b334gdvd9lhqia8c952q3cmzj99vik680180nbp0qh2xw6zpf";
  +    sha256 = "0scnymhhiiqrs2j0jaypxgq2wg1qf1w8f55qfay0b3nf51y6mh8y";
     };
   
     # Tests are not included in the PyPI package
  
positive.code: let
    py = python.override {
      packageOverrides = self: super: {
        aws-sam-translator = super.aws-sam-translator.overridePythonAttrs (oldAttrs: rec {
          version = "1.25.0";
          src = oldAttrs.src.override {
            inherit version;
            sha256 = "08756yl5lpqgrpr80f2b6bdcgygr37l6q1yygklcg9hz4yfpccav";
          };
        });
  
        flask = super.flask.overridePythonAttrs (oldAttrs: rec {
          version = "1.0.2";
          src = oldAttrs.src.override {
  
negative.code:   # fix over-restrictive version bounds
    postPatch = ''
      substituteInPlace requirements/base.txt \
        --replace "boto3~=1.14.0, >=1.14.23" "boto3~=1.14" \
        --replace "docker~=4.2.0" "docker~=4.3.1" \
        --replace "jmespath~=0.9.5" "jmespath~=0.10.0" \
        --replace "python-dateutil~=2.6, <2.8.1" "python-dateutil~=2.6" \
        --replace "requests==2.23.0" "requests~=2.24" \
        --replace "serverlessrepo==0.1.9" "serverlessrepo~=0.1.9" \
        --replace "tomlkit==0.5.8" "tomlkit~=0.7.0"
    '';
  
    meta = with lib; {
  