code: def fix_json(json_string: str) -> str:
      """
      Fix incorrectly formatted quotes and capitalized booleans in JSON string.
  
      Parameters
      ----------
      json_string : str
          A JSON-style string.
  
      Returns
      -------
      str
          The normalized JSON string.
      """
      json_string = json_string.replace("True", "true")
      json_string = json_string.replace("False", "false")
      json_string = json_string.replace("'", '"')
      return json_string
  
file_path: skll/skll/config/utils.py
imports: import csv
  import errno
  import logging
  from pathlib import Path
  from typing import Iterable, List, Union
  from ruamel.yaml import YAML
  from skll.types import FoldMapping, PathOrStr
label_desc: Use image node_id 1 for calling a global function with example usage: fix_json(json_string) and returns: json_string