code: def recomputeduals(self, is_upper=False):
      from crminustwo import CrMinusTwo as CrMinusTwo
  
      self.duals = self.intervalimpl(
          self.n,
          self.sumw,
          self.sumwsq,
          self.sumwr,
          self.sumwsqr,
          self.sumwsqrsq,
          self.wmin,
          self.wmax,
          self.alpha,
          raiseonerr=True,
          upper_bound=is_upper,
      )
  
imports: from math import inf
label_desc: Use image node_id 4 for calling the OnlineCressieRead obj's underlying member method code with example usage: obj.recomputeduals(is_upper) without return types