code: def hidden(path):
      """Check if a path is hidden.
  
      Parameters
      ----------
      path : str
          A filepath.
      """
      return os.path.split(path)[1].startswith(".")
  
file_path: zipline/zipline/utils/paths.py
imports: from errno import EEXIST
  import os
  from os.path import exists, expanduser, join
  import pandas
label_desc: Use image node_id 1 for calling a global function with example usage: hidden(path) and returns: os