drop group, add python-unversioned-command build dep

pygtk2.spec

@@ -15,7 +15,6 @@ Name: pygtk2
 Version: 2.24.0
 Release: 23%{?dist}
 License: LGPLv2+
-Group: Development/Languages
 Summary: Python bindings for GTK+
 URL: http://www.pygtk.org/
 Source: http://ftp.gnome.org/pub/GNOME/sources/pygtk/2.24/pygtk-%{version}.tar.bz2
@@ -50,6 +49,7 @@ BuildRequires: numpy
 BuildRequires: pango-devel >= %{pango_version}
 BuildRequires: pycairo-devel >= %{pycairo_version}
 BuildRequires: pygobject2-devel >= %{pygobject2_version}
+BuildRequires: python-unversioned-command
 BuildRequires: python2-devel >= %{python2_version}
 
 %description
@@ -60,14 +60,12 @@ high-level scripting language.
 
 %package codegen
 Summary: The code generation program for PyGTK
-Group: Development/Languages
 
 %description codegen
 This package contains the C code generation program for PyGTK.
 
 %package libglade
 Summary: A wrapper for the libglade library for use with PyGTK
-Group: Development/Languages
 Requires: %{name} = %{version}-%{release}
 
 %description libglade
@@ -77,7 +75,6 @@ allows the programmer to keep the UI and program logic separate.
 
 %package devel
 Summary: Development files for building add-on libraries
-Group: Development/Languages
 Requires: %{name} = %{version}-%{release}
 Requires: %{name}-codegen = %{version}-%{release}
 Requires: %{name}-doc = %{version}-%{release}
@@ -90,7 +87,6 @@ libraries so that they interoperate with pygtk.
 
 %package doc
 Summary: Documentation files for %{name}
-Group: Development/Languages
 BuildArch: noarch
 
 %description doc