Bump djangorestframework from 3.8.2 to 3.9.1 (#5)

Bump djangorestframework from 3.8.2 to 3.9.1

Author: p8ul

requirements.txt

@@ -6,7 +6,7 @@ Django==2.1.15
 django-cors-middleware==1.2.0
 django-extensions==1.7.1
 django-filter==2.0.0
-djangorestframework==3.8.2
+djangorestframework==3.9.1
 djangorestframework-jwt==1.11.0
 docopt==0.6.2
 factory-boy==2.11.1