Update pythonshell, remove poetryshell template

templates

@@ -173,31 +173,16 @@ nix-mode
 (pythonshell "let" n
              > "pkgs = import " (p "<nixpkgs>") " {};" n
              > "in pkgs.mkShellNoCC {" n
-             > "packages = [" n
-             > "(pkgs." (p "python3") ".withPackages" n
-             > "(ps: with ps; ["(p "mypy") "]))" n
+             > "packages = with pkgs; [" n
+             > "poetry" n
+             > (p "python3") n
              > q n
              > "];" n
+             > "shellHook = ''" n
+             > "export LD_LIBRARY_PATH=${pkgs.stdenv.cc.cc.lib}/lib" n
+             > "'';" n
              > "}")
-(poetryshell "# See https://github.com/nix-community/poetry2nix/blob/master/docs/edgecases.md#cases" n
-             "# for edgecases like setuptools not found" n
-             "let" n
-             > "pkgs = import " (p "<nixpkgs>") " {};" n
-             > "poetry2nix = (builtins.getFlake \"github:nix-community/poetry2nix\").lib.mkPoetry2Nix {inherit pkgs;};" n
-             > "poetryEnv = let " n
-             > "projectDir = " (p "./.") ";" n
-             > "in (poetry2nix.mkPoetryEnv {" n
-             > "inherit projectDir;" n
-             > "overrides = poetry2nix.defaultPoetryOverrides;" n
-             > "python = " (p "pkgs.python3") ";" n
-             > "editablePackageSources = {" (p "package") "= projectDir;};" n
-             > "extraPackages = (ps: [" q  "]);" n
-             > "preferWheels = true;" n
-             > "groups = [\"dev\"];" n
-             > "extras = [\"*\"];" n
-             > "});" n
-             "in" n
-             > "poetryEnv.env")
+
 (poetryoverride "overrides = poetry2nix.defaultPoetryOverrides.extend" n
                 > "(self: super: {" n
                 > (s package) " =" n