Update app.py

app.py

@@ -585,6 +585,7 @@ def fonc_start(id_session,id_module,s,cont,list_models_to_gen):
         print("image saved\n")
     else:
         model_plus_tasks["task"].append(task_actu)
+        model_plus_tasks["pending_task"]-=1
         cache_text_actu[f"{id_session}"]["nb_fail"]+=1
         print("fail to generate\n")
     num_task_to_do=0