In the python api, we currently have:

Workflow.add_dependency(parent, *children),

However, when manually adding dependencies, it can be confusing for some users because it is not clear whether or not parent >children or child>parents are being added. To be more explicit, we have decided to change the above method signature to Workflow.add_dependency(node, *, parents=[], children=[]).
(based on 4/13 dev meeting: https://docs.google.com/document/d/1URPG6SLG481Y7DDAajjVtedKjS5pwIQ41UOhwSQYbhk/edit#bookmark=id.e65cnw94oy1y)