docstr: returns the default value for the key
docstr_tok: ["returns","the","default","value","for","the","key"]
code: def get_default(self, key):
      """returns the default value for the key"""
  
      data_label = self.data_labels.get(key)
      if data_label is None:
          return None
  
      return data_label.default
  
imports: import json
  import sys
  from dataclasses import dataclass
  import gradio
  from modules import errors
  from modules.shared_cmd_options import cmd_opts
label_desc: Use image node_id 5 for calling the Options obj's underlying member method code with example usage: obj.get_default(key) and returns: data_label, None