code: def testTune(self):
      # just make sure the tune can run
      self.dlm5.fit()
      self.dlm5.tune(maxit=10)
  
imports: import numpy
  import unittest
  from pydlm.modeler.trends import trend
  from pydlm.modeler.seasonality import seasonality
  from pydlm.modeler.dynamic import dynamic
  from pydlm.modeler.autoReg import autoReg
  from pydlm.dlm import dlm
label_desc: Use image node_id 27 for calling the testDlm obj's underlying member method code with example usage: obj.testTune() without return types