Update Python 2 dependency declarations to new packaging standards

libblockdev.spec

@@ -67,7 +67,7 @@
 
 Name:        libblockdev
 Version:     2.15
-Release:     2%{?dist}
+Release:     3%{?dist}
 Summary:     A library for low-level manipulation with block devices
 License:     LGPLv2+
 URL:         https://github.com/storaged-project/libblockdev
@@ -77,7 +77,7 @@ BuildRequires: glib2-devel
 %if %{with_gi}
 BuildRequires: gobject-introspection-devel
 %endif
-BuildRequires: python-devel
+BuildRequires: python2-devel
 %if %{with_python3}
 BuildRequires: python3-devel
 %endif
@@ -91,7 +91,7 @@ BuildRequires: glib2-doc
 # BuildRequires: nss-tools
 
 # Needed for python 2 vs. 3 compatibility in the tests, but not used to build
-# BuildRequires: python-six
+# BuildRequires: python2-six
 # BuildRequires: python3-six
 
 %description
@@ -115,7 +115,7 @@ with the libblockdev library.
 %package -n python2-blockdev
 Summary:     Python2 gobject-introspection bindings for libblockdev
 Requires: %{name}%{?_isa} = %{version}-%{release}
-Requires: pygobject3-base
+Requires: python2-gobject-base
 %{?python_provide:%python_provide python2-blockdev}
 
 %description -n python2-blockdev
@@ -785,6 +785,10 @@ find %{buildroot} -type f -name "*.la" | xargs %{__rm}
 %files plugins-all
 
 %changelog
+* Wed Feb 07 2018 Iryna Shcherbina <ishcherb@redhat.com> - 2.15-3
+- Update Python 2 dependency declarations to new packaging standards
+  (See https://fedoraproject.org/wiki/FinalizingFedoraSwitchtoPython3)
+
 * Sat Feb 03 2018 Igor Gnatenko <ignatenkobrain@fedoraproject.org> - 2.15-2
 - Switch to %%ldconfig_scriptlets