code: def check_node(self):
      # Drop the STREAM-START event.
      if self.check_event(StreamStartEvent):
          self.get_event()
  
      # If there are more documents available?
      return not self.check_event(StreamEndEvent)
  
file_path: catboost/contrib/python/PyYAML/py2/yaml/composer.py
imports: from error import MarkedYAMLError
  from events import *
  from nodes import *
label_desc: Use image node_id 2 for calling the Composer obj's underlying member method code with example usage: obj.check_node() and returns: unknown