Revert "python3Packages.click: 8.1.7 -> 8.2.0"

This reverts commit c3470e7.

Released, but not yet published and seems to break typer and pip-tools
among others.

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

@@ -1,8 +1,9 @@
 {
   lib,
   buildPythonPackage,
+  pythonOlder,
   fetchFromGitHub,
-  flit-core,
+  importlib-metadata,
   pytestCheckHook,
 
   # large-rebuild downstream dependencies and applications
@@ -15,17 +16,19 @@
 
 buildPythonPackage rec {
   pname = "click";
-  version = "8.2.0";
-  pyproject = true;
+  version = "8.1.7";
+  format = "setuptools";
+
+  disabled = pythonOlder "3.7";
 
   src = fetchFromGitHub {
     owner = "pallets";
     repo = "click";
     tag = version;
-    hash = "sha256-YjceWqNrMGu4ABVCZI+GLmXtptQfOiykbU4VK3x9j2A=";
+    hash = "sha256-8YqIKRyw5MegnRwAO7YTCZateEFQFTH2PHpE8gTPTow=";
   };
 
-  build-system = [ flit-core ];
+  propagatedBuildInputs = lib.optionals (pythonOlder "3.8") [ importlib-metadata ];
 
   nativeCheckInputs = [ pytestCheckHook ];
 
@@ -45,7 +48,6 @@ buildPythonPackage rec {
   };
 
   meta = with lib; {
-    changelog = "https://github.com/pallets/click/blob/${src.tag}/CHANGES.rst";
     homepage = "https://click.palletsprojects.com/";
     description = "Create beautiful command line interfaces in Python";
     longDescription = ''