code: def indxByRange(self, valu):
          '''
          Override default ``*range=`` handler to account for relative computation.
          '''
  
          if not isinstance(valu, (list, tuple)):
              raise s_exc.BadCmprValu(valu=valu, cmpr='*range=')
  
          if len(valu) != 2:
              raise s_exc.BadCmprValu(valu=valu, cmpr='*range=')
  
          tick, tock = self.getTickTock(valu)
  
          if tick > tock:
              # User input has requested a nullset
              return ()
  
          return self._indxTimeRange(tick, tockf indxByRange(self, valu):
          '''
          Override default ``*range=`` handler to account for relative computation.
          '''
  
          if not isinstance(valu, (list, tuple)):
              raise s_exc.BadCmprValu(valu=valu, cmpr='*range=')
  
          if len(valu) != 2:
              raise s_exc.BadCmprValu(valu=valu, cmpr='*range=')
  
          tick, tock = self.getTickTock(valu)
  
          if tick > tock:
              # User input has requested a nullset
              return ()
  
          return self._indxTimeRange(tick, tock)
docs: Override default ``*range=`` handler to account for relative computation.