code: def test_get_hyperparameter_grid():
      mt = MyTemplate()
      assert mt.get_hyperparameter_grid() == {}
  
imports: import dataclasses
  import datetime
  import pytest
  import sklearn
  from greykite.common.constants import TIME_COL
  from greykite.common.constants import VALUE_COL
  from greykite.common.enums import TimeEnum
  from greykite.common.evaluation import EvaluationMetricEnum
  from greykite.common.python_utils import assert_equal
  from greykite.common.python_utils import unique_elements_in_list
  from greykite.common.testing_utils import assert_eval_function_equal
  from greykite.common.testing_utils import generate_df_with_reg_for_tests
  from greykite.framework.templates.autogen.forecast_config import EvaluationMetricParam
  from greykite.framework.templates.autogen.forecast_config import EvaluationPeriodParam
  from greykite.framework.templates.autogen.forecast_config import ForecastConfig
  from greykite.framework.templates.autogen.forecast_config import MetadataParam
  from greykite.framework.templates.base_template import BaseTemplate
  from greykite.sklearn.estimator.silverkite_estimator import SilverkiteEstimator
label_desc: Use image node_id 7 for calling a global function with example usage: test_get_hyperparameter_grid() without return types