Naming a workflow task "get_task" causes "'TaskSpec' object is not callable" error

[szbergeron]

If any task in the task list is named "get_task", "has_task", or various other variations visible in

orquesta/orquesta/graphing.py

Line 78 in b810993

def get_task(self, task_id):

, the workflow will fail at runtime with an opaque error as seen above.

Possible resolution: use internal or hidden naming for properties of WorkflowGraph objects, or store tasks within a dictionary property of WorkflowGraph objects so that name collisions with workflow tasks can not occur or are unreasonable to accidentally discover