code: def path_hook(cls, *loader_details):
          
          def path_hook_for_FileFinder2(path):
              """Path hook for FileFinder2."""
              if not os.path.isdir(path):
                  raise _ImportError('only directories are supported', path=path)
              return cls(path, *loader_details)
  
          return path_hook_for_FileFinder2
docs: A class method which returns a closure to use on sys.path_hook
          which will return an instance using the specified loaders and the path
          called on the closure.
  
          If the path called on the closure is not a directory, ImportError is
          raised.