class_docstr: Handles copying context variables to threads created by ThreadPoolExecutor
class_docstr_tok: ["Handles","copying","context","variables","to","threads","created","by","ThreadPoolExecutor"]
code: def _set_child_context(self):
      for var, value in self.context.items():
          var.set(value)
  
imports: from concurrent.futures import ThreadPoolExecutor
  import contextvars
label_desc: Use image node_id 2 for calling the ContextThreadPoolExecutor obj's underlying member method code with example usage: obj._set_child_context() without return types