class_docstr: Data representing dates with times.
  
  :param datetime_format:
      A formatting string for :meth:`datetime.datetime.strptime` to use
      instead of using regex-based parsing.
  :param timezone:
      A ``ZoneInfo`` timezone to apply to each parsed date.
  :param locale:
      A locale specification such as :code:`en_US` or :code:`de_DE` to use
      for parsing formatted datetimes.
code: def csvify(self, d):
      if d is None:
          return None
  
      return d.isoformat()
  
file_path: agate/agate/data_types/date_time.py
imports: import datetime
  import locale
  import isodate
  import parsedatetime
  from agate.data_types.base import DataType
  from agate.exceptions import CastError
label_desc: Use image node_id 5 for calling the DateTime obj's underlying member method code with example usage: obj.csvify(d) and returns: d, None