code: def cache_makedirs(self, subdir=None):
          '''
          Make necessary directories to hold cache value
          '''
          if subdir is not None:
              dirname = self.cache_path
              if subdir:
                  dirname = os.path.join(dirname, subdir)
          else:
              dirname = os.path.dirname(self.cache_path)
          os.makedirs(dirname, exist_ok=Truef cache_makedirs(self, subdir=None):
          '''
          Make necessary directories to hold cache value
          '''
          if subdir is not None:
              dirname = self.cache_path
              if subdir:
                  dirname = os.path.join(dirname, subdir)
          else:
              dirname = os.path.dirname(self.cache_path)
          os.makedirs(dirname, exist_ok=True)
docs: Make necessary directories to hold cache value