code: def dedent(self):
      if (
          self._help_text is not None
          and self._help_text is not self._finalized
      ):
          self._val["help"] = "".join(self._help_text)
          self._help_text = self._finalized
  
imports: import contextlib
  import functools
  import json
  import os
  import re
  import click
  from click import shell_completion
  import guild
  from guild import python_util
label_desc: Use image node_id 6 for calling the JSONHelpFormatter obj's underlying member method code with example usage: obj.dedent() without return types