Traceback (most recent call last):


 "/usr/lib/python3.6/runpy.py", line 193, in _run_module_as_main

"__main__", mod_spec)


 "/usr/lib/python3.6/runpy.py", line 85, in _run_code

exec(code, run_globals)


 "/home/mfekadu/ParlAI/parlai/scripts/display_data.py", line 113, in <module>

DisplayData.main()


 "/home/mfekadu/ParlAI/parlai/scripts/script.py", line 79, in main

return cls._run_args(None)


 "/home/mfekadu/ParlAI/parlai/scripts/script.py", line 63, in _run_args

opt = parser.parse_args(args=args, print_args=False)


 "/home/mfekadu/ParlAI/parlai/core/params.py", line 1009, in parse_args

self.add_extra_args(args)


 "/home/mfekadu/ParlAI/parlai/core/params.py", line 841, in add_extra_args

self.add_task_args(task)


 "/home/mfekadu/ParlAI/parlai/core/params.py", line 777, in add_task_args

agent = load_teacher_module(t)


 "/home/mfekadu/ParlAI/parlai/core/loader.py", line 290, in load_teacher_module

teacher_class = getattr(task_module, teacher)
AttributeError: module 'parlai.tasks.self_feeding.agents' has no attribute 'DefaultTeacher'

[!] Traceback (most recent call last):


 "lazagne\softwares\browsers\mozilla.py", line 398, in is_master_password_correct
AttributeError: 'Sequence' object has no attribute 'asOctets'
