class_docstr: Stores platform-specific launch config of a node.
  
  This is created and set on the node only at launch time.
class_docstr_tok: ["Stores","platform-specific","launch","config","of","a","node",".","This","is","created","and","set","on","the","node","only","at","launch","time","."]
code: def _check_inititialized(self):
      if not self._is_initialized:
          raise RuntimeError(
              "Launch context is not yet initialized. It should be initialized by "
              "calling initialize() at launch time."
          )
  
file_path: launchpad/launchpad/context.py
imports: import enum
  import threading
  from typing import Any, Callable, Optional, Union
label_desc: Use image node_id 5 for calling the LaunchContext obj's underlying member method code with example usage: obj._check_inititialized() without return types