backend = load_backend(db['ENGINE']) File "/usr/local/lib/python2.7/site-packages/django/db/utils.py", line 130, in load_backend raise ImproperlyConfigured(error_msg) django.core.exceptions.ImproperlyConfigured: 'django.db.backends.postgresql' isn't an available database backend. Try using 'django.db.backends.XXX', where XXX is one of: u'base', u'mysql', u'oracle', u'postgresql_psycopg2', u'sqlite3' Error was: No module named postgresql.base Coverage.py warning: No data was collected. (no-data-collected) ERROR: Job failed: exit code 1