Fixed tox errors.
@@ -15,7 +15,7 @@ basepython =
whitelist_externals = make
setenv = DJANGO_SETTINGS_MODULE=django_view_breadcrumbs.settings
passenv = PYTHONPATH HOME DISPLAY
-extras = test
+extras = development test
deps =
django11: Django>=1.11.13<2.0.0
django20: Django>=2.0.0<=2.0.2
