code: def test_timestamp_encode_decode() -> None:
      now = pd.Timestamp.now()
      assert now == serde.decode(serde.encode(now))
  
imports: from functools import partial
  from operator import add
  from pathlib import Path
  from typing import NamedTuple
  import numpy
  import pandas
  import pytest
  from gluonts.core.component import equals, equals_list
  from gluonts.core import serde
label_desc: Use image node_id 3 for calling a global function with example usage: test_timestamp_encode_decode() without return types