code: def fix_code(code, directory):
      
      if not autopep8:
          raise Fault('autopep8 not installed, cannot fix code.',
                      code=400)
      old_dir = os.getcwd()
      try:
          os.chdir(directory)
          return autopep8.fix_code(code, apply_config=True)
      finally:
          os.chdir(old_dir)
docs: Formats Python code to conform to the PEP 8 style guide.