code: def test_encode_as_decimal(self):
      # should work with decimal values
      res = utils.PlotlyJSONEncoder.encode_as_decimal(
          decimal.Decimal(1.023452)
      )
  
      self.assertAlmostEqual(
          res, 1.023452
      )  # Checks upto 7 decimal places
      self.assertIsInstance(res, float)
  
imports: import datetime
  import math
  import decimal
  from datetime import datetime
  from unittest import TestCase
  from time import time
  import pytest
  import numpy
  import pandas
  import pytz
  from pandas.testing import assert_series_equal
  import json
  import os
  import base64
  from plotly import optional_imports, utils
  import plotly.graph_objects
  from plotly.graph_objs import Scatter, Scatter3d, Figure, Data
  from plotly.utils import get_by_path
  from PIL import Image
label_desc: Use image node_id 9 for calling the TestJSONEncoder obj's underlying member method code with example usage: obj.test_encode_as_decimal() without return types