Python class defined in the same file as another class - how do you get access to the one defined later in the file?

Question

I\'m very new to Python, I figure this question should be easy to answer.

My problem simplified is this...

I have 2 classes in a File class A and class B. Class

Answer 1

So the answer was to use qoutes

B = fields.ForeignKey('api.resources.B', 'B')