python3.pkgs.zimports: add missing setuptools (#90026)

Co-authored-by: Jon <[e-mail]>

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

···
 , flake8-import-order
 , pyflakes
 , mock
+, setuptools
 }:
 
 buildPythonPackage rec {
···
   propagatedBuildInputs = [
     pyflakes
     flake8-import-order
+    setuptools
   ];
 
   checkInputs = [
     mock
   ];
+
+  checkPhase = ''
+    runHook preInstallCheck
+    PYTHONPATH= $out/bin/zimports --help >/dev/null
+    runHook postInstallCheck
+  '';
 
   meta = with lib; {
     description = "Python import rewriter";