fix sh syntax
#!/bin/sh
python -c 'import sys; print(sys.version_info[0])' | grep 3 &> /dev/null
-if [ $? == 0 ]; then
+if [ $? = 0 ]; then
nosetests # don't run Django tests for Py3
else
nosetests && django-admin.py test --settings=billy.tests.django_settings --pythonpath=.
