Bumping argotk

pkgs/argotk/master.json

@@ -2,8 +2,8 @@
   "fetch": {
     "args": {
       "fetchSubmodules": false,
-      "rev": "bcfc6a61a46c98ed8935596bf7de953e125c3882",
-      "sha256": "07hg00zjbzpbynjwgjil2h2jmam4d9pcakly84g3k778afnl1srb",
+      "rev": "13b41b7d2e06f9c64bfa652466985c1d044f90f5",
+      "sha256": "15x9sih46my0n18fky10a4i0ad2fprj3kfk0ykcwjkjljx82qric",
       "url": "https://xgitlab.cels.anl.gov/argo/argotk.git"
     },
     "fn": "fetchgit"

pkgs/default.nix

@@ -93,8 +93,8 @@ let
     aml = cpDefaultPin ./aml {};
 
     argotk =
-      let argotk = (pkgs.nix-update-source.fetch argotk/master.json).src;
-          argotkPkgs = import "${argotk}/default.nix" {pkgs=pkgs;};
+      let fetched = (pkgs.nix-update-source.fetch argotk/master.json).src;
+          argotkPkgs = import "${fetched}/default.nix" {pkgs=pkgs;};
       in argotkPkgs.argotk;
   };