code: def is_draft3_time(instance):
      if not isinstance(instance, str_types):
          return True
      return datetime.datetime.strptime(instance, "%H:%M:%S")
  
file_path: catboost/contrib/python/jsonschema/py2/jsonschema/_format.py
imports: import datetime
  import re
  import socket
  import struct
  from jsonschema.compat import str_types
  from jsonschema.exceptions import FormatError
label_desc: Use image node_id 7 for calling a global function with example usage: is_draft3_time(instance) and returns: datetime, True