Cleanup no longer needed Python 2 dependencies

fence-agents is Python 3 only, but pulls some Python2 build-time requirements which are not needed.

fence-agents-compute should also depend on python3-requests rather than python-requests.

fence-agents.spec

@@ -16,7 +16,7 @@
 Name: fence-agents
 Summary: Fence Agents for Red Hat Cluster
 Version: 4.0.24
-Release: 13%{?alphatag:.%{alphatag}}%{?dist}
+Release: 14%{?alphatag:.%{alphatag}}%{?dist}
 License: GPLv2+ and LGPLv2+
 Group: System Environment/Base
 URL: http://sourceware.org/cluster/wiki/
@@ -38,7 +38,7 @@ BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
 BuildRequires: glibc-devel
 BuildRequires: gnutls-utils
 BuildRequires: libxslt
-BuildRequires: python3-pexpect python3-pycurl python3-suds python3-requests openwsman-python3 python-pexpect python-pycurl
+BuildRequires: python3-pexpect python3-pycurl python3-suds python3-requests openwsman-python3
 BuildRequires: autoconf automake libtool
 
 %prep
@@ -229,7 +229,7 @@ The fence-agents-cisco-ucs package contains a fence agent for Cisco UCS series d
 License: GPLv2+ and LGPLv2+
 Group: System Environment/Base
 Summary: Fence agent for Nova compute nodes
-Requires: python-requests
+Requires: python3-requests
 Requires: fence-agents-common = %{version}-%{release}
 %description compute
 The fence-agents-compute package contains a fence agent for Nova compute nodes.
@@ -781,6 +781,9 @@ The fence-agents-zvm package contains a fence agent for IBM z/VM over IP.
 %{_mandir}/man8/fence_zvmip.8*
 
 %changelog
+* Thu Jan 11 2018 Iryna Shcherbina <ishcherb@redhat.com> - 4.0.24-14
+- Cleanup no longer needed Python 2 dependencies
+
 * Tue Nov 07 2017 Troy Dawson <tdawson@redhat.com> - 4.0.24-13
 - Cleanup spec file conditionals