Class DelayedPermissionError

source code

  Callable object returned when setters or getters with
  are obtained for cluster properties that cannot be (resp.)
  written or read.
  
  A DelayedPermissionError stores the stack at its initialization
  to make it easier for the subsequent error to be traced back to 
  its original source.
]  
  If called, a DelayedPermissionError raises itself.