I try to update a channel:
PUT content [{\'url\': \'http://localhost:8000/api/movies/2\', \'title\': u\'Ariel\', \'backdrop_path\': u\'/z2QUexmccqrvw1kDMw3R8
As you can read here, nested relations currently don't support write operations. Use HyperlinkedRelatedField instead or write a custom serializer, that implements the features you need.