code: def __repr__(self):
      return str(self.__class__) + "\n" + self.__str__()
  
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 5 for calling the WaldTestResults obj's underlying member method code with example usage: obj.__repr__() and returns: unknown