old_contents: """
  Tests for structural time series models
  
  Author: Chad Fulton
  License: Simplified-BSD
  """
  from __future__ import division, absolute_import, print_function
  
  import numpy as np
  import pandas as pd
  import os
  
  import warnings
  from statsmodels.datasets import macrodata
  from statsmodels.tsa.statespace import structural
  from .results import results_structural
  from statsmodels.tools import add_constant
  from numpy.testing import assert_almost_equal, assert_raises, assert_allclose
  from nose.exc import SkipTest
  
  
  dta = macrodata.load_pandas().data
  dta.index = pd.date_range(start='1959-01-01', end='2009-07-01', freq='QS')
  
  warnings.simplefilter("always")
  
  def run_ucm(name):
      true = getattr(results_structural, name)
  
      for model in true['models']:
          kwargs = model.copy()
          kwargs.update(true['kwargs'])
  
          mod = structural.UnobservedComponents(dta['unemp'], **kwargs)
          mod.update(true['params'])
          res = mod.filter()
  
          assert_allclose(res.llf, true['llf'])
  
  def test_irregular():
      run_ucm('irregular')
  
  def test_fixed_intercept():
      with warnings.catch_warnings(True) as w:
          run_ucm('fixed_intercept')
          message = ("Specified model does not contain a stochastic element;"
                     " irregular component added.")
          assert(str(w[0].message) == message)
  
  def test_deterministic_constant():
      run_ucm('deterministic_constant')
  
  def test_random_walk():
      run_ucm('random_walk')
  
  def test_local_level():
      run_ucm('local_level')
  
  def test_fixed_slope():
      run_ucm('fixed_slope')
  
  def test_fixed_slope():
      with warnings.catch_warnings(True) as w:
          run_ucm('fixed_slope')
          message = ("Specified model does not contain a stochastic element;"
                     " irregular component added.")
          assert(str(w[0].message) == message)
  
  def test_deterministic_trend():
      run_ucm('deterministic_trend')
  
  def test_random_walk_with_drift():
      run_ucm('random_walk_with_drift')
  
  def test_local_linear_deterministic_trend():
      run_ucm('local_linear_deterministic_trend')
  
  def test_local_linear_trend():
      run_ucm('local_linear_trend')
  
  def test_smooth_trend():
      run_ucm('smooth_trend')
  
  def test_random_trend():
      run_ucm('random_trend')
  
new_contents: """
  Tests for structural time series models
  
  Author: Chad Fulton
  License: Simplified-BSD
  """
  from __future__ import division, absolute_import, print_function
  
  import numpy as np
  import pandas as pd
  import os
  
  import warnings
  from statsmodels.datasets import macrodata
  from statsmodels.tsa.statespace import structural
  from .results import results_structural
  from statsmodels.tools import add_constant
  from numpy.testing import assert_almost_equal, assert_raises, assert_allclose
  from nose.exc import SkipTest
  
  
  dta = macrodata.load_pandas().data
  dta.index = pd.date_range(start='1959-01-01', end='2009-07-01', freq='QS')
  
  def run_ucm(name):
      true = getattr(results_structural, name)
  
      for model in true['models']:
          kwargs = model.copy()
          kwargs.update(true['kwargs'])
  
          mod = structural.UnobservedComponents(dta['unemp'], **kwargs)
          mod.update(true['params'])
          res = mod.filter()
  
          assert_allclose(res.llf, true['llf'])
  
  def test_irregular():
      run_ucm('irregular')
  
  def test_fixed_intercept():
      warnings.simplefilter("always")
      with warnings.catch_warnings(True) as w:
          run_ucm('fixed_intercept')
          message = ("Specified model does not contain a stochastic element;"
                     " irregular component added.")
          assert(str(w[0].message) == message)
  
  def test_deterministic_constant():
      run_ucm('deterministic_constant')
  
  def test_random_walk():
      run_ucm('random_walk')
  
  def test_local_level():
      run_ucm('local_level')
  
  def test_fixed_slope():
      run_ucm('fixed_slope')
  
  def test_fixed_slope():
      warnings.simplefilter("always")
      with warnings.catch_warnings(True) as w:
          run_ucm('fixed_slope')
          message = ("Specified model does not contain a stochastic element;"
                     " irregular component added.")
          assert(str(w[0].message) == message)
  
  def test_deterministic_trend():
      run_ucm('deterministic_trend')
  
  def test_random_walk_with_drift():
      run_ucm('random_walk_with_drift')
  
  def test_local_linear_deterministic_trend():
      run_ucm('local_linear_deterministic_trend')
  
  def test_local_linear_trend():
      run_ucm('local_linear_trend')
  
  def test_smooth_trend():
      run_ucm('smooth_trend')
  
  def test_random_trend():
      run_ucm('random_trend')
  
subject: Fix warnings-related error error.