awscli and aws_shell: use the same python version with deps

We need this python version with its custom dependencies for aws_shell.

pkgs/tools/admin/awscli/default.nix

@@ -38,7 +38,7 @@ in py.pkgs.buildPythonApplication rec {
   # No tests included
   doCheck = false;
 
-  pythonPath = with py.pkgs; [
+  propagatedBuildInputs = with py.pkgs; [
     botocore
     bcdoc
     s3transfer
@@ -63,6 +63,8 @@ in py.pkgs.buildPythonApplication rec {
     rm $out/bin/aws.cmd
   '';
 
+  passthru.python = py; # for aws_shell
+
   meta = with lib; {
     homepage = https://aws.amazon.com/cli/;
     description = "Unified tool to manage your AWS services";