anchor.diff:  
     deoplete-jedi = buildVimPluginFrom2Nix {
       pname = "deoplete-jedi";
  -    version = "2019-03-02";
  +    version = "2019-05-21";
       src = fetchFromGitHub {
         owner = "zchee";
         repo = "deoplete-jedi";
  -      rev = "f89669d2b089d75f1eccbf8d14277b74857a850d";
  -      sha256 = "0v0jisqzxb3f77xsqcy5i0s4ik0g66bjfh110111lpynki7lcdyc";
  +      rev = "55471c298412ea3017b0189fd96c032a780963e1";
  +      sha256 = "1s85a6inp4j1k2llg8vgdiwb4n1rk9hdahrczl32fwxi95c0fv41";
         fetchSubmodules = true;
       };
     };
  
positive.code: 
    coc-nvim = buildVimPluginFrom2Nix {
      pname = "coc-nvim";
      version = "2019-05-20";
      src = fetchFromGitHub {
        owner = "neoclide";
        repo = "coc.nvim";
        rev = "727982667e568264b512b5dda080f0ce414ed1d3";
        sha256 = "1rh7q0d81mxg7si3ljid5zlskbkifn0fkg4dapj60s33zda8yb0g";
      };
    };
  
  
negative.code: 
    neomake = buildVimPluginFrom2Nix {
      pname = "neomake";
      version = "2019-05-23";
      src = fetchFromGitHub {
        owner = "benekastah";
        repo = "neomake";
        rev = "8a75afa95ae3a49a690afd72fe86c984c06a672c";
        sha256 = "1g3dyvvkhc6h4l0y8s8pswlrzsbcwdjvyfx4fiwzbqgfccjbnaj9";
      };
    };
  
  