code: def test_event_record_is_pickleable():
      original = EventRecord(
          BaseEnvEvents, BaseEnvEvents.reward, dict(value=5)
      )
      fname = "test"
  
      with open(fname, "wb") as out_f:
          pickle.dump(original, out_f)
  
      with open(fname, "rb") as in_f:
          pickled = pickle.load(in_f)
  
      assert pickled.interface_class == original.interface_class
      assert pickled.interface_method == original.interface_method
      assert pickled.attributes == original.attributes
  
      os.remove(fname)
  
imports: import os
  import pickle
  from maze.core.env.base_env_events import BaseEnvEvents
  from maze.core.events.event_record import EventRecord
label_desc: Use image node_id 1 for calling a global function with example usage: test_event_record_is_pickleable() without return types