Traceback (most recent call last):


 "diagram.py", line 25, in <module>

ingress = Ingress("ingress",node_attr={"fontsize":"20"})
TypeError: __init__() got an unexpected keyword argument 'node_attr'

Traceback (most recent call last):


 "/usr/lib/python3.6/site-packages/spyder/widgets/helperwidgets.py", line 123, in paint

textRect = style.subElementRect(QStyle.SE_ItemViewItemText, options)
TypeError: subElementRect(self, QStyle.SubElement, QStyleOption, QWidget): not enough arguments
