Fix Django test for now.
Not sure why Django 2.2 not work on Travis CI. It did work on my
local machine. But Django 2.1 works on Travis CI. Need to investigate.
@@ -12,7 +12,7 @@ deps =
flask: Flask
flask: Flask-SQLAlchemy
py27-django: Django>=1.11,<2.0
- {py36,py37}-django: Django>=2.0
+ {py36,py37}-django: Django>=2.0,<2.1
{py27,py36,py37}-django: pytest-django
setenv =
