Update app.py

app.py

@@ -342,7 +342,7 @@ def  train_epoch(obtrainer,index_db=0,epoch=0,idspeakers=[],full_generation_samp
 
           if do_eval:
                 speaker_id_c=int(torch.randint(start_speeker,end_speeker,size=(1,))[0])
-                model=obtrainer.model[0]
+                model=obtrainer.models[0]
 
                 with torch.no_grad():