class_docstr: Accept ISO format Datetime values.
  
      
class_docstr_tok: ["Accept","ISO","format","Datetime","values","."]
code: def is_timestamp(value: Any) -> bool:
      return isinstance(
          value, (float, *bokeh_integer_types)
      ) and not isinstance(value, bool)
  
imports: from __future__ import annotations
  import logging
  import datetime
  from typing import Any, Union
  from ...util.serialization import convert_date_to_datetime, is_datetime_type, is_timedelta_type
  from .bases import Init, Property
  from .primitive import bokeh_integer_types
  from .singletons import Undefined
label_desc: Use image node_id 4 for calling the Datetime obj's underlying member method code with example usage: obj.is_timestamp(value) and returns: unknown