Only install unittest2 if Python 2.6

.travis.yml

@@ -14,6 +14,7 @@ env:
 install:
     - pip install -r requirements/test.txt
     - if $LXML == true; then pip install lxml; fi
+    - if [[ $TRAVIS_PYTHON_VERSION == 2.6 ]]; then pip install unittest2; fi
 
 # command to run tests, e.g. python setup.py test
 script:

fastkml/test_main.py

@@ -15,7 +15,10 @@
 # License along with this library; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
 
-import unittest2 as unittest
+try:
+    import unittest2 as unittest  # Needed in Python 2.6
+except:
+    import unittest
 
 from fastkml import kml
 from fastkml import styles

requirements/test.txt

 -r common.txt
 
-unittest2
 pytest
 pep8
 coveralls