Update Python 2 dependency declarations to new packaging standards

pygobject3.spec

@@ -13,7 +13,7 @@
 
 Name:           pygobject3
 Version:        3.27.1
-Release:        2%{?dist}
+Release:        3%{?dist}
 Summary:        Python bindings for GObject Introspection
 
 License:        LGPLv2+ and MIT
@@ -37,8 +37,8 @@ BuildRequires:  cairo-gobject-devel
 # Temporarily disabled pyflakes tests to avoid the build failing due to too new
 # pyflakes 0.7.2 in F19
 # https://bugzilla.gnome.org/show_bug.cgi?id=701009
-#BuildRequires:  pyflakes
-BuildRequires:  python-pep8
+#BuildRequires:  python2-pyflakes
+BuildRequires:  python2-pep8
 %endif
 ## for the Gdk and Gtk typelibs, used during the test suite:
 BuildRequires:  gtk3
@@ -108,7 +108,7 @@ library.
 
 %package        devel
 Summary:        Development files for embedding PyGObject introspection support
-Requires:       python-gobject%{?_isa} = %{version}-%{release}
+Requires:       python2-gobject%{?_isa} = %{version}-%{release}
 %if 0%{?with_python3}
 Requires:       python3-gobject%{?_isa} = %{version}-%{release}
 %endif
@@ -219,6 +219,10 @@ xvfb-run make DESTDIR=$RPM_BUILD_ROOT check V=1
 %{_libdir}/pkgconfig/pygobject-3.0.pc
 
 %changelog
+* Wed Feb 21 2018 Iryna Shcherbina <ishcherb@redhat.com> - 3.27.1-3
+- Update Python 2 dependency declarations to new packaging standards
+  (See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3)
+
 * Fri Feb 09 2018 Fedora Release Engineering <releng@fedoraproject.org> - 3.27.1-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild