ibus-engines: use wrapPythonPrograms

This is needed now that PYTHONPATH is not propagated. Also several packages
with additional dependencies are now properly wrapped.

pkgs/tools/inputmethods/ibus-engines/ibus-table/default.nix

@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub
 , autoreconfHook, docbook2x, pkgconfig
 , gtk3, dconf, gobjectIntrospection
-, ibus, python3, pygobject3 }:
+, ibus, python3 }:
 
 stdenv.mkDerivation rec {
   name = "ibus-table-${version}";
@@ -29,16 +29,18 @@ stdenv.mkDerivation rec {
   '';
 
   buildInputs = [
-    dconf gtk3 gobjectIntrospection ibus python3 pygobject3
+    dconf gtk3 gobjectIntrospection ibus python3
   ];
 
-  nativeBuildInputs = [ autoreconfHook docbook2x pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook docbook2x pkgconfig python3.pkgs.wrapPython ];
 
   postUnpack = ''
     substituteInPlace $sourceRoot/engine/Makefile.am \
       --replace "docbook2man" "docbook2man --sgml"
   '';
 
+  postFixup = "wrapPythonPrograms";
+
   meta = with stdenv.lib; {
     isIbusEngine = true;
     description  = "An IBus framework for table-based input methods";