Impossible to enable domain on creation or update with coreapi

I found a bug in the coreapi to create a domain
this problem is on the djangorestframework and fix ten days ago 

see: mozilla/mozillians#1892
       encode/django-rest-framework#1101
Fix: https://github.com/encode/django-rest-framework/pull/5038/files

requirements.txt

@@ -9,7 +9,7 @@ dj-database-url
 
 coreapi==2.3.1
 coreapi-cli==1.0.6
-djangorestframework==3.6.3
+djangorestframework==3.7.1
 
 argparse
 # bcrypt requires libffi-dev