Work with Python3

Author: asiaszmek

continuous_integration/test_script.sh

@@ -14,7 +14,7 @@ python -c "import numpy; print('numpy %s' % numpy.__version__)"
 python -c "import scipy; print('scipy %s' % scipy.__version__)"
 
 if [[ "$COVERAGE" == "true" ]]; then
-    nosetests --with-coverage --cover-package=kcsd
+    nosetests3 --with-coverage --cover-package=kcsd
 else
-    nosetests
+    nosetests3
 fi