Update pyshell template

templates

@@ -205,19 +205,6 @@ python-base-mode
 nix-mode
 
 (pkgs "pkgs = import " (p "<nixpkgs>") " {};")
-(poetry2nix "poetry2nix = (builtins.getFlake \"github:nix-community/poetry2nix\").lib.mkPoetry2Nix {inherit pkgs;};")
-(pyshell "let" n
-         > "pkgs = import " (p "<nixpkgs>") " {};" n
-         > "in pkgs.mkShellNoCC {" n
-         > "packages = with pkgs; [" n
-         > "poetry" n
-         > (p "python3Full") n
-         > q n
-         > "];" n
-         > "shellHook = ''" n
-         > "export LD_LIBRARY_PATH=${pkgs.stdenv.cc.cc.lib}/lib:${pkgs.zlib}/lib" n
-         > "'';" n
-         > "}")
 (pyderivation "{ buildPythonPackage, " (p "poetry-core" build) ", " (p "" dependencies) "}:" n
               "buildPythonPackage {" n
               > "pname = \"" (p "package") "\";" n
@@ -231,6 +218,19 @@ nix-mode
            > "python3 = " (p "pkgs.python3") ";" n
            "in" n
            > "python3.pkgs.callPackage ./derivation.nix {" q "}")
+(pyshell "let" n
+         > "pkgs = import " (p "<nixpkgs>") " {};" n
+         > "python = pkgs." (p "python3.override { self=python; packageOverrides = final: prev: {}; }") ";"n
+         > "in pkgs.mkShellNoCC {" n
+         > "packages = [" n
+         > "(python.withPackages(" n
+         > "ps: with ps; ["n
+         > (p "tkinter") n
+         > q n
+         > "]" n
+         > "))" n
+         > "];" n
+         > "}")
 
 envrc-file-mode