Traceback (most recent call last):


 "D:/MyWork/rqalpha-strategy/run_file_demo.py", line 27, in <module>

run_file(strategy_file_path, config)


 "C:\ProgramData\Anaconda3\lib\site-packages\rqalpha\__init__.py", line 97, in run_file

return main.run(config)


 "C:\ProgramData\Anaconda3\lib\site-packages\rqalpha\main.py", line 315, in run

code = _exception_handler(user_exc)


 "C:\ProgramData\Anaconda3\lib\site-packages\rqalpha\main.py", line 326, in _exception_handler

better_exceptions.excepthook(e.error.exc_type, e.error.exc_val, e.error.exc_tb)


 "C:\ProgramData\Anaconda3\lib\site-packages\better_exceptions\__init__.py", line 53, in excepthook

formatted = format_exception(exc, value, tb)


 "C:\ProgramData\Anaconda3\lib\site-packages\rqalpha\utils\logger.py", line 35, in format_exception

formatted, colored_source = better_exceptions.format_traceback(tb)
AttributeError: module 'better_exceptions' has no attribute 'format_traceback'

Traceback (most recent call last):


 "C:\Users\Raihan\Anaconda3\envs\rsx\lib\site-packages\sanic\app.py", line 1167, in run

serve(**server_settings)


 "C:\Users\Raihan\Anaconda3\envs\rsx\lib\site-packages\sanic\server.py", line 892, in serve

trigger_events(before_start, loop)


 "C:\Users\Raihan\Anaconda3\envs\rsx\lib\site-packages\sanic\server.py", line 668, in trigger_events

loop.run_until_complete(result)


 "C:\Users\Raihan\Anaconda3\envs\rsx\lib\asyncio\base_events.py", line 587, in run_until_complete

return future.result()


 "C:\Users\Raihan\Anaconda3\envs\rsx\lib\site-packages\rasa\core\run.py", line 244, in load_agent_on_start

_broker = EventBroker.create(endpoints.event_broker)
AttributeError: 'NoneType' object has no attribute 'event_broker'
