anchor.diff:  
     konfig = callPackage ../development/python-modules/konfig { };
   
  -  kitchen = callPackage ../development/python-modules/kitchen/default.nix { };
  -
  -  kubernetes = callPackage ../development/python-modules/kubernetes/default.nix { };
  -
  -  pylast = callPackage ../development/python-modules/pylast/default.nix { };
  -
  -  pylru = callPackage ../development/python-modules/pylru/default.nix { };
  +  kitchen = callPackage ../development/python-modules/kitchen { };
  +
  +  kubernetes = callPackage ../development/python-modules/kubernetes { };
  +
  +  pylast = callPackage ../development/python-modules/pylast { };
  +
  +  pylru = callPackage ../development/python-modules/pylru { };
   
     lark-parser = callPackage ../development/python-modules/lark-parser { };
   
  
positive.code: 
    pytest = self.pytest_34;
  
    pytest_34 = callPackage ../development/python-modules/pytest/default.nix{
      hypothesis = self.hypothesis.override {
        # hypothesis requires pytest that causes dependency cycle
        doCheck = false;
  
negative.code:     };
    };
  
    python_fedora = callPackage ../development/python-modules/python_fedora {};
  
    python-simple-hipchat = callPackage ../development/python-modules/python-simple-hipchat {};
    python_simple_hipchat = self.python-simple-hipchat;
  