Issue in using Document object in the notebook-examples

[rishabhbatra10]

While trying to run the notebook notebook-examples/document_model_tutorial.ipynb I am geting this error in the 5th cell

---

NameError Traceback (most recent call last)
in ()
1 # Iterate and print
----> 2 for d in Document.objects.all()[0:10]:
3 print(d)

NameError: name 'Document' is not defined

Also the Document name is not resolved in the main code.