python3Packages.aiohttp: remove trustme test dependency on aarch64-darwin

This is an optional test dependency dependency is no longer needed, and
makes the package unbuildable on aarch64-darwin, as it transitively
depends on pyopenssl, which is marked broken.

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

@@ -67,6 +67,9 @@ buildPythonPackage rec {
     pytest-mock
     pytestCheckHook
     re-assert
+  ] ++ lib.optionals (!(stdenv.isDarwin && stdenv.isAarch64)) [
+    # Optional test dependency. Depends indirectly on pyopenssl, which is
+    # broken on aarch64-darwin.
     trustme
   ];