code: def calculate_logits(self, joint_embedding, **kwargs):
      return self.decoder(joint_embedding, kwargs)
  
file_path: mmf/mmf/models/visdial_multi_modal.py
imports: from mmf.models.pythia import Pythia
  from mmf.modules.decoders import VisDialDiscriminator
label_desc: Use image node_id 8 for calling the VisDialMultiModalModel obj's underlying member method code with example usage: obj.calculate_logits(joint_embedding) and returns: self