python38Packages.zetup: fix build

Currently fails to build on python 3.8 due to an overly restrictive version bound.

ZHF: NixOS#80379

CC @NixOS/nixos-release-managers

(cherry picked from commit a65e052)

pkgs/development/python-modules/zetup/default.nix

@@ -1,4 +1,4 @@
-{ stdenv, buildPythonPackage, fetchPypi
+{ lib, buildPythonPackage, fetchPypi
 , setuptools_scm, pathpy, nbconvert
 , pytest }:
 
@@ -11,11 +11,10 @@ buildPythonPackage rec {
     sha256 = "b8a9bdcfa4b705d72b55b218658bc9403c157db7b57a14158253c98d03ab713d";
   };
 
-  # Python 3.7 compatibility
-  # See https://github.com/zimmermanncode/zetup/pull/1
+  # Python 3.8 compatibility
   postPatch = ''
     substituteInPlace zetup/zetup_config.py \
-      --replace "'3.6']" "'3.6', '3.7']"
+      --replace "'3.7']" "'3.7', '3.8']"
   '';
 
   checkPhase = ''
@@ -25,11 +24,9 @@ buildPythonPackage rec {
   checkInputs = [ pytest pathpy nbconvert ];
   propagatedBuildInputs = [ setuptools_scm ];
 
-  meta = with stdenv.lib; {
-    description = ''
-      Zimmermann's Extensible Tools for Unified Project setups
-    '';
-    homepage = https://github.com/zimmermanncode/zetup;
+  meta = with lib; {
+    description = "Zimmermann's Extensible Tools for Unified Project setups";
+    homepage = "https://github.com/zimmermanncode/zetup";
     license = licenses.gpl3Plus;
     platforms = platforms.unix;
   };