Update pythonshell template

templates

@@ -172,14 +172,13 @@ nix-mode
             )
 (pythonshell "let" n
              > "pkgs = import " (p "<nixpkgs>") " {};" n
-             > "in pkgs.mkShellNoCC {" n
-             > "packages = with pkgs; [" n
-             > "poetry" n
-             > (p "python3") n
-             > q n
-             > "];" n
+             > "poetry = pkgs.poetry;" n
+             > "python = pkgs." (p "python3") ";" n
+             > "in pkgs.mkShell {" n
+             > "packages = [ poetry " q "];" n
              > "shellHook = ''" n
              > "export LD_LIBRARY_PATH=${pkgs.stdenv.cc.cc.lib}/lib" n
+             > "${poetry}/bin/poetry env use ${python}/bin/python3" n
              > "'';" n
              > "}")