code: def test_encode_bytes():
      """Bytes are encoded using base64."""
      assert ObjectEncoder().default(b"01234") == b"3031323334"
  
imports: import pytest
  from fiona.errors import FionaDeprecationWarning
  from fiona.model import _Geometry, Feature, Geometry, Object, ObjectEncoder, Properties, decode_object
label_desc: Use image node_id 30 for calling a global function with example usage: test_encode_bytes() without return types