docs: def get_adjusted_error_count(self):
      """ Get the total error count associated with this single base.
        This would typically be one but sometimes it may be larger for instertions.
  
      :returns: error_count
      :rtype: float
  
      """
      p1 =  self._observable.get_attributable_length()
      p1 += self._unobservable.get_attributable_length()
      return p1