$ python manage.py dumpdata embed --settings=mysite.mongo --traceback [Traceback (most recent call last): File "/home/tim/code/mysite/manage.py", line 10, in <module> execute_from_command_line(sys.argv) File "/home/tim/code/django/django/core/management/__init__.py", line 442, in execute_from_command_line utility.execute() File "/home/tim/code/django/django/core/management/__init__.py", line 436, in execute self.fetch_command(subcommand).run_from_argv(self.argv) File "/home/tim/code/django/django/core/management/base.py", line 413, in run_from_argv self.execute(*args, **cmd_options) File "/home/tim/code/django/django/core/management/base.py", line 459, in execute output = self.handle(*args, **options) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/home/tim/code/django/django/core/management/commands/dumpdata.py", line 269, in handle serializers.serialize( File "/home/tim/code/django/django/core/serializers/__init__.py", line 134, in serialize s.serialize(queryset, **options) File "/home/tim/code/django/django/core/serializers/base.py", line 109, in serialize for count, obj in enumerate(queryset, start=1): File "/home/tim/code/django/django/core/management/commands/dumpdata.py", line 217, in get_objects queryset = objects.using(using).order_by(model._meta.pk.name) ^^^^^^^^^^^^^ AttributeError: 'EmbeddedModelManager' object has no attribute 'using' 

$ python manage.py dumpdata embed --settings=mysite.mongo --exclude=embed.person --exclude=embed.address [{"model": "embed.book", "pk": "67913fe312e1777e03b35af4", "fields": {"title": "Runaway Jury", "author": "Dan"}}]