code: def update(self, params, **kwargs):
      params = super().update(params, **kwargs)
  
      self["state_cov", 0, 0] = params[0]
      self["obs_cov", 0, 0] = params[1]
  
file_path: statsmodels/examples/python/statespace_concentrated_scale.py
imports: import numpy
  import pandas
  import statsmodels.api
label_desc: Use image node_id 4 for calling the LocalLevel obj's underlying member method code with example usage: obj.update(params) without return types