Reintroduce the ipaddress module in the python3 subpackage

as it is used within python3's upstream test suite.

python-pip.spec

@@ -18,7 +18,7 @@
 Name:           python-%{srcname}
 # When updating, update the bundled libraries versions bellow!
 Version:        9.0.1
-Release:        10%{?dist}
+Release:        11%{?dist}
 Summary:        A tool for installing and managing Python packages
 
 Group:          Development/Libraries
@@ -135,6 +135,7 @@ Provides: bundled(python3dist(colorama)) = 0.3.7
 Provides: bundled(python3dist(distlib)) = 0.2.4
 Provides: bundled(python3dist(distro)) = 1.0.1
 Provides: bundled(python3dist(html5lib)) = 1.0b10
+Provides: bundled(python3dist(ipaddress) = 1.0.17
 Provides: bundled(python3dist(lockfile)) = 0.12.2
 Provides: bundled(python3dist(packaging)) = 16.8
 Provides: bundled(python3dist(setuptools)) = 28.8.0
@@ -202,11 +203,6 @@ rm %{buildroot}%{_bindir}/pip
 %endif
 %endif # with_python3
 
-# Remove the bundled ipaddress library from the python3 build
-# as it is only required by the python2 one.
-rm %{buildroot}%{python3_sitelib}/pip/_vendor/ipaddress.py
-rm %{buildroot}%{python3_sitelib}/pip/_vendor/__pycache__/ipaddress.cpython-*.pyc
-
 %if 0%{?build_wheel}
 %py2_install_wheel %{python2_wheelname}
 %else
@@ -299,6 +295,9 @@ py.test-%{python3_version} -m 'not network'
 %endif # with_python3
 
 %changelog
+* Mon Dec 04 2017 Charalampos Stratakis <cstratak@redhat.com> - 9.0.1-11
+- Reintroduce the ipaddress module in the python3 subpackage.
+
 * Mon Nov 20 2017 Charalampos Stratakis <cstratak@redhat.com> - 9.0.1-10
 - Add virtual provides for the bundled libraries. (rhbz#1096912)