Update app.py

app.py

@@ -198,7 +198,7 @@ def call_set_task(purpose, task, history, directory, action_input):
         purpose=purpose,
         task=task,
         history=history,
-    ).strip("\n")
+    )
     history += "observation: task has been updated to: {}\n".format(task)
     return "MAIN", None, history, task