SUSE packages the 'xml' python module as a separate package so make
sure it's pulled in before we attempt to install the pip module
since the latter depends on it. Fixes the following problem when
building with the opensuse-minimal and pip-and-virtualenv elements:
Traceback (most recent call last):
File "/tmp/get-pip.py", line 19177, in <module>
main()
File "/tmp/get-pip.py", line 194, in main
bootstrap(tmpdir=tmpdir)
File "/tmp/get-pip.py", line 82, in bootstrap
import pip
File "/tmp/tmpOiESjX/pip.zip/pip/__init__.py", line 16, in <module>
File "/tmp/tmpOiESjX/pip.zip/pip/vcs/subversion.py", line 9, in <module>
File "/tmp/tmpOiESjX/pip.zip/pip/index.py", line 32, in <module>
File "/tmp/tmpOiESjX/pip.zip/pip/_vendor/html5lib/__init__.py", line 16, in <module>
File "/tmp/tmpOiESjX/pip.zip/pip/_vendor/html5lib/html5parser.py", line 6, in <module>
File "/tmp/tmpOiESjX/pip.zip/pip/_vendor/html5lib/inputstream.py", line 10, in <module>
File "/tmp/tmpOiESjX/pip.zip/pip/_vendor/html5lib/utils.py", line 10, in <module>
ImportError: No module named xml.etree.ElementTree
Change-Id: I1bec12dfcde05fb07f41bcec994148c3eacbb287