diff --git a/.travis.yml b/.travis.yml
index eb0e76b..f8dba15 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,15 +3,10 @@ python:
   - 2.6
   - 2.7
 install:
-  - sudo apt-get install -qq python-libvirt python-numpy python-scipy tree
-  - tree -d /usr/lib/python*
-  - tree -d ~/virtualenv
-  - ls /usr/lib/python2.6 || cp /usr/lib/python2.6/dist-packages/libvirt* ~/virtualenv/python2.6/local/lib/python2.7/site-packages/ && ls /usr/lib/python2.6/dist-packages/libvirt*
-  - ls /usr/lib/python2.6 || cp -r /usr/lib/python2.6/dist-packages/numpy* ~/virtualenv/python2.6/local/lib/python2.7/site-packages/ && ls /usr/lib/python2.6/dist-packages/numpy*
-  - ls /usr/lib/python2.6 || cp -r /usr/lib/python2.6/dist-packages/scipy* ~/virtualenv/python2.6/local/lib/python2.7/site-packages/ && ls /usr/lib/python2.6/dist-packages/scipy*
-  - ls /usr/lib/python2.7 || cp /usr/lib/python2.7/dist-packages/libvirt* ~/virtualenv/python2.7/local/lib/python2.7/site-packages/ && ls /usr/lib/python2.7/dist-packages/libvirt*
-  - ls /usr/lib/python2.7 || cp -r /usr/lib/python2.7/dist-packages/numpy* ~/virtualenv/python2.7/local/lib/python2.7/site-packages/ && ls /usr/lib/python2.7/dist-packages/numpy*
-  - ls /usr/lib/python2.7 || cp -r /usr/lib/python2.7/dist-packages/scipy* ~/virtualenv/python2.7/local/lib/python2.7/site-packages/ && ls /usr/lib/python2.7/dist-packages/scipy*
+  - sudo apt-get install -qq python-libvirt python-numpy python-scipy
+  - cp /usr/lib/python2.7/dist-packages/libvirt* ~/virtualenv/python2.7/local/lib/python2.7/site-packages/
+  - cp -r /usr/lib/python2.7/dist-packages/numpy* ~/virtualenv/python2.7/local/lib/python2.7/site-packages/
+  - cp -r /usr/lib/python2.7/dist-packages/scipy* ~/virtualenv/python2.7/local/lib/python2.7/site-packages/
   - pip install --use-mirrors pyqcy mocktest PyContracts nose SQLAlchemy bottle python-novaclient
   - python setup.py install
 script: nosetests