I moved the parent parameter to the last parameter of constructors.
Moreover, Bus and QueueConsumer didn't have the parent, so I added it.
In addition, I changed to only using keyword argument passing for parent, i.e., __init__(arg1, ..., parent=parent).
I moved the
parentparameter to the last parameter of constructors. Moreover,BusandQueueConsumerdidn't have theparent, so I added it. In addition, I changed to only using keyword argument passing forparent, i.e.,__init__(arg1, ..., parent=parent).This closes #98.