class_docstr: A stage in a linear workflow.
class_docstr_tok: ["A","stage","in","a","linear","workflow","."]
code: def __init__(self, storage: Storage = InMemoryStorage()):
      self._storage = storage
  
imports: import abc
  from typing import Iterable, Iterator, Optional
  from adanet.experimental.storages.in_memory_storage import InMemoryStorage
  from adanet.experimental.storages.storage import Storage
  from adanet.experimental.work_units.work_unit import WorkUnit
  import tensorflow.compat.v2
label_desc: Use image node_id 1 to create a new Phase object from inherited base classes: abc with example: obj = Phase(storage)