Fix build of vm-test image

img/vm-test.nix

@@ -12,20 +12,10 @@
   pup,
   shellcheck,
   python3,
-  xonsh,
 
   name,
   ...
 }:
-let
-  basicPython = (python3.withPackages (p: with p; [ pyyaml ]));
-  x = xonsh.overridePythonAttrs (old: {
-    python3 = basicPython;
-    propagatedBuildInputs =
-      (if builtins.hasAttr "propagatedBuildInputs" old then old.propagatedBuildInputs else [ ])
-      ++ [ basicPython.pkgs.pyyaml ];
-  });
-in
 dockerTools.buildLayeredImage {
   name = name "vm-test";
   tag = "latest";
@@ -42,9 +32,9 @@ dockerTools.buildLayeredImage {
     jq
     packer
     pup
+    (python3.withPackages (x: with x; [ pyyaml ]))
     shellcheck
     dockerTools.usrBinEnv
-    x
   ];
   extraCommands = ''
     mkdir -p tmp