Switch to pyproject

As of Nixpkgs commit d2e9be2, specifying pyproject is required.

[1] NixOS/nixpkgs@d2e9be2

Author: dehnert

pkgs/locker-support.nix

@@ -18,6 +18,7 @@ in buildPythonPackage {
     hash = "sha256-s/L6LbBcRdno1EFbTDeQg5CMV2uJLn7xaOQgpiFLOfQ=";
   };
 
+  pyproject = true;
   build-system = [
     setuptools
   ];

pkgs/pyhesiodfs.nix

@@ -1,6 +1,6 @@
-{ stdenv, pkgs, lib, fetchFromGitHub,
-  python3Packages,
-  python-hesiod, locker-support,
+{ stdenv, pkgs, lib, fetchFromGitHub,   # general nix
+  python3Packages,                      # nix python
+  python-hesiod, locker-support,        # athena
 }:
 
 let
@@ -17,6 +17,9 @@ in python3Packages.buildPythonApplication {
     hash = "sha256-5Y10agUgfPuJ7Mg8IR0ZMtgqMXmG8F+kTQyjXrBGnBk=";
   };
 
+  pyproject = true;
+  build-system = [ python3Packages.setuptools ];
+
   dependencies = with python3Packages; [
     fuse
     (python-hesiod python3Packages)

pkgs/python-afs.nix

@@ -16,6 +16,7 @@ in buildPythonPackage {
     hash = "sha256-pm3UCNqUKSzlfOk4jTenrg6PH8SMRgrRQE4uABXvXD0=";
   };
 
+  pyproject = true;
   build-system = [
     setuptools
   ];

pkgs/python-discuss.nix

@@ -13,6 +13,7 @@ in buildPythonPackage {
     hash = "sha256-8/ew78oM39U+ibbQvYkCe0kzIBYgK2YznVWQiA7nWds=";
   };
 
+  pyproject = true;
   build-system = [
     setuptools
   ];

pkgs/python-hesiod.nix

@@ -18,6 +18,7 @@ in buildPythonPackage {
     hash = "sha256-Lsq5LCQvEjL7Pga+LLpkTjYWBQM3VLmQ8LWVYI+Llkc=";
   };
 
+  pyproject = true;
   build-system = [
     setuptools
   ];