code: def construct_yaml_null(self, node):
      self.construct_scalar(node)
      return None
  
imports: from .error import *
  from .nodes import *
  import collections.abc, datetime, base64, binascii, re, sys, types
label_desc: Use image node_id 4 for calling the SafeConstructor obj's underlying member method code with example usage: obj.construct_yaml_null(node) and returns: None