code: def check_empty_sequence(self):
      return (
          isinstance(self.event, SequenceStartEvent)
          and self.events
          and isinstance(self.events[0], SequenceEndEvent)
      )
  
imports: from .error import YAMLError
  from .events import *
label_desc: Use image node_id 32 for calling the Emitter obj's underlying member method code with example usage: obj.check_empty_sequence() and returns: unknown