code: def modified_since(path, dt):
      """
      Check whether `path` was modified since `dt`.
  
      Returns False if path doesn't exist.
  
      Parameters
      ----------
      path : str
          Path to the file to be checked.
      dt : pd.Timestamp
          The date against which to compare last_modified_time(path).
  
      Returns
      -------
      was_modified : bool
          Will be ``False`` if path doesn't exists, or if its last modified date
          is earlier than or equal to `dt`
      """
      return exists(path) and last_modified_time(path) > dt
  
file_path: catalyst/catalyst/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 7 for calling a global function with example usage: modified_since(path, dt) and returns: unknown