code: def _get_exogs(self):
      return (self.exog, self.exog_precision)
  
imports: import numpy
  from scipy.special import gammaln
  import patsy
  import statsmodels.base.wrapper
  import statsmodels.regression.linear_model
  from statsmodels.tools.decorators import cache_readonly
  from statsmodels.base.model import GenericLikelihoodModel, GenericLikelihoodModelResults, _LLRMixin
  from statsmodels.genmod import families
label_desc: Use image node_id 3 for calling the BetaModel obj's underlying member method code with example usage: obj._get_exogs() and returns: self,  self