code: def last_modified_time(path):
      """
      Get the last modified time of path as a Timestamp.
      """
      return pd.Timestamp(os.path.getmtime(path), unit="s", tz="UTC")
  
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 6 for calling a global function with example usage: last_modified_time(path) and returns: pd