Update CI config a bit more.

.travis.yml

@@ -3,5 +3,5 @@ language: python
 python:
   - "2.7"
   - "3.5"
-install: pip install tox-travis Django asgiref
+install: pip install tox-travis
 script: tox

channels/handler.py

@@ -5,11 +5,11 @@ import logging
 from threading import Lock
 
 from django import http
-from django.core.handlers import base
 from django.core import signals
+from django.core.handlers import base
 from django.core.urlresolvers import set_script_prefix
-from django.utils.functional import cached_property
 from django.utils import six
+from django.utils.functional import cached_property
 
 logger = logging.getLogger('django.request')
 

tox.ini

@@ -11,6 +11,7 @@ setenv =
     PYTHONPATH = {toxinidir}:{toxinidir}
 deps =
     autobahn
+    asgiref>=0.9
     six
     redis==2.10.5
     py27: mock
@@ -19,7 +20,7 @@ deps =
     django-16: Django>=1.6,<1.7
     django-17: Django>=1.7,<1.8
     django-18: Django>=1.8,<1.9
-    django-19: Django==1.9b1
+    django-19: Django>=1.9,<1.10
 commands =
     flake8: flake8
     isort: isort -c -rc channels