add setuptools to the bulidinputs for poetry2nix

flake.nix

@@ -35,6 +35,15 @@
         default = self.packages.${system}.${projectName};
         ${projectName} = pkgs.poetry2nix.mkPoetryApplication {
           projectDir = ./.;
+          overrides = poetry2nix.defaultPoetryOverrides.extend
+          (self: super: {
+            ${projectName} = super.${projectName}.overridePythonAttrs
+            (
+              old: {
+                buildInputs = (old.buildInputs or [ ]) ++ [ super.setuptools ];
+              }
+            );
+          });
         };
       });
       nixosModules = {