code: def test_prophet_trend(self):
      df = self._get_data()
  
      m = Prophet()
      m.fit(df)
  
      # Convert with Hummingbird.
      hb_model = hummingbird.ml.convert(m, "torch")
  
      # Predictions.
      future = m.make_future_dataframe(periods=365)
      prophet_trend = m.predict(future)["trend"].values
      hb_trend = hb_model.predict(future)
  
      np.testing.assert_allclose(
          prophet_trend, hb_trend, rtol=1e-06, atol=1e-06
      )
  
file_path: hummingbird/tests/test_prophet.py
imports: import unittest
  import numpy
  import os
  import torch
  from packaging.version import Version, parse
  import hummingbird
  from hummingbird.ml._utils import pandas_installed, prophet_installed, onnx_runtime_installed
  from urllib.request import urlretrieve
label_desc: Use image node_id 2 for calling the TestProphet obj's underlying member method code with example usage: obj.test_prophet_trend() without return types