customer_flow = Flow('customer_flow')

from prefect import Task, Flow

# The tasks
class RunMeFirst(Task):
    def run(self):
        print("I'm running first!")

class PlusOneTask(Task):
    def run(self, x):
        return x + 1

# Instanciates the Flow
flow = Flow('My Imperative Flow')

# The task instance (I'm using the decorator format), this is where I get the error
plus_one = PlusOneTask()

# I don't have that.
flow.set_dependencies(
    task=plus_one,
    upstream_tasks=[RunMeFirst()],
    keyword_tasks=dict(x=10))

flow.visualize()

with Flow("my flow") as flow:
  result = my_task()
  with case(result, True):
    #do something