Traceback (most recent call last):


 "/home/leafzs/.local/lib/python3.6/site-packages/MAMEToolkit/emulator/Emulator.py", line 159, in close

self.actionPipe.close()
AttributeError: 'Emulator' object has no attribute 'actionPipe'

Traceback (most recent call last):


 "clock.pyx", line 119, in hummingbot.core.clock.Clock.run_til


 "pure_market_making_v2.pyx", line 295, in hummingbot.strategy.pure_market_making.pure_market_making_v2.PureMarketMakingStrategyV2.c_tick


 "pass_through_filter_delegate.pyx", line 22, in hummingbot.strategy.pure_market_making.pass_through_filter_delegate.PassThroughFilterDelegate.c_filter_orders_proposal
AttributeError: 'NoneType' object has no attribute 'actions'
