code: def get_data():
      seq_len = 480
      data = pd.DataFrame(
          pd.date_range("20130101", periods=seq_len), columns=["ds"]
      )
      data.insert(1, "y", np.random.rand(seq_len))
      expect_horizon = np.random.randint(40, 50)
      return data, expect_horizon
  
file_path: BigDL/python/chronos/test/bigdl/chronos/autots/model/test_auto_prophet.py
imports: from bigdl.chronos.utils import LazyImport
  import os
  import numpy
  import pandas
  import tempfile
  from unittest import TestCase
  from ...None import op_distributed, op_diff_set_all
label_desc: Use image node_id 1 for calling a global function with example usage: get_data() and returns: data,  expect_horizon