code: def convert_date(date):
      """
      when transferring dates by json,
      converts it to str
      # any instances which need a conversion,
      # must be done here
  
      :param date:
      :return: str(date)
      """
  
      if isinstance(date, pd.Timestamp):
          return date.__str__()
  
file_path: catalyst/catalyst/utils/remote_utils.py
imports: import base64
  import pickle
  import zlib
  from uuid import UUID
  import pandas
  from logbook import Logger
label_desc: Use image node_id 2 for calling a global function with example usage: convert_date(date) and returns: date