! = todo

-- index --

# NEWTYPE = make traittype

# TRAITLET = make traitlet

# REFACTOR = change api

-- transform --

! NEWTYPE : setter/getter -> TransformType

! TRAITLET : transform = TransformType

! REFACTOR : def set_transform -> none

! REFACTOR : def get_transform -> none

-- transform_set --

! TRAITLET : transformSet = BoolType(False)

! REFACTOR : self.transformSet -> self.transform_set

-- stale --

! TRAITLET : stale = BoolType(True)

! REFACTOR : def stale -> none