Pin a explicit version of django-filter (<2)

syrusakbary · syrusakbary · commit f0705e2c25a0 · 2018-07-19T16:43:09.000-07:00
diff --git a/setup.py b/setup.py
@@ -19,7 +19,7 @@
     "coveralls",
     "mock",
     "pytz",
-    "django-filter",
+    "django-filter<2",
     "pytest-django>=3.3.2",
 ] + rest_framework_require
 
