code: def copy_from(self, other):
      if not isinstance(self._instance, type(other._instance)):
          raise ValueError(
              "Copy deferred actions must be with the same instance type"
          )
  
      self._pool = other._pool[:]
  
imports: import threading
  from functools import wraps
  import attr
  import six
label_desc: Use image node_id 5 for calling the DeferredExecutionPool obj's underlying member method code with example usage: obj.copy_from(other) without return types