Adding files from hf_modeling_btm_log_prob_mixing

modeling.py

@@ -18,6 +18,7 @@ class Output(ModelOutput):
     loss_to_log: Optional[float] = None
     router_logits: Optional[torch.FloatTensor] = None     
     selected_experts: Optional[torch.LongTensor] = None
+    combined_log_probs: Optional[torch.FloatTensor] = None
 
 
 class MoLM(PreTrainedModel):