python3Packages.pygdbmi disable tests on macOS

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

@@ -1,4 +1,5 @@
-{ lib
+{ stdenv
+, lib
 , buildPythonPackage
 , fetchFromGitHub
 , gdb
@@ -19,6 +20,9 @@ buildPythonPackage rec {
 
   checkInputs = [ gdb ];
 
+  # tests require gcc for some reason
+  doCheck = !stdenv.hostPlatform.isDarwin;
+
   postPatch = ''
     # tries to execute flake8,
     # which is likely to break on flake8 updates