class_docstr: An encapsulation of both the query configuration as well as the intent to execute it
  
  This "pack" includes any additional state, parameters, and other stuff.
class_docstr_tok: ["An","encapsulation","of","both","the","query","configuration","as","well","as","the","intent","to","execute","it","This","``","pack","''","includes","any","additional","state",",","parameters",",","and","other","stuff","."]
code: def load_from_cache(self):
      cache_key = self.unique_id
      if self._execution_context.state_manager.has(cache_key):
          entry = self._execution_context.state_manager.get(cache_key)
          query_execution_id = entry["query_execution_id"]
          self._query_execution_id = query_execution_id
  
imports: import json
  from logging import Logger
  from streamalert.scheduled_queries.handlers.athena import AthenaClient
  from streamalert.scheduled_queries.query_packs.configuration import QueryPackConfiguration, QueryPackRepository
  from streamalert.scheduled_queries.query_packs.parameters import QueryParameterGenerator
  from streamalert.scheduled_queries.state.state_manager import StateManager
  from streamalert.scheduled_queries.support.clock import Clock
label_desc: Use image node_id 10 for calling the QueryPack obj's underlying member method code with example usage: obj.load_from_cache() without return types