code: def summary_frame(self):
      # needs to be a method for consistency
      if hasattr(self, "_dframe"):
          return self._dframe
      # rename the column nambes, but do not copy data
      renaming = dict(zip(self.table.columns, self.col_names))
      self.dframe = self.table.rename(columns=renaming)
      return self.dframe
  
imports: import numpy
  from scipy.stats import f
  from scipy.stats import t
  from scipy import stats
  from statsmodels.tools.tools import clean0, fullrank
  from statsmodels.stats.multitest import multipletests
label_desc: Use image node_id 3 for calling the WaldTestResults obj's underlying member method code with example usage: obj.summary_frame() and returns: self, self