code: def get_context(self):
          
          if not self.context:
              return
          else:
              assert isinstance(self.context, tuple), 'Expected a Tuple not {0}'.format(type(self.context))
          for model in self.context:
              model_cls = utils.get_model_class(model)
              key = utils.camel_to_snake(model_cls.__name__)
              self.context_data[key] = self.get_instance_of(model_cls)
docs: Create a dict with the context data
          context is not required, but if it
          is defined it should be a tuple