AttributeError exception in parse_body() function

Hello guys,
I playing with GraphQL and I received this exception AttributeError str' object has no attribute 'decode' with python 3.
I'd like to propose distinction between 'str' and 'unicode' in GraphQLView class function parse_body()
Thanks
Martin

Locate GraphQLView.parse_body() and read how it handles request bodies under Python 3. Reproduce the reported AttributeError, then verify that string and Unicode inputs are handled distinctly without changing the behavior for other body types.

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