python3Packages.wxPython_4_0, python3Packages.wxPython_4_1: add numpy and pillow to propagatedBuildInputs as required by upstream's dependency settings

pkgs/development/python-modules/wxPython/4.0.nix

@@ -18,6 +18,8 @@
 , AudioToolbox
 , OpenGL
 , CoreFoundation
+, pillow
+, numpy
 }:
 
 buildPythonPackage rec {
@@ -42,6 +44,8 @@ buildPythonPackage rec {
     [ wxGTK.gtk ]
   );
 
+  propagatedBuildInputs = [ pillow numpy ];
+
   DOXYGEN = "${doxygen}/bin/doxygen";
 
   preConfigure = lib.optionalString (!stdenv.isDarwin) ''