def _set_delta(self, value): self._delta = ValidationFunctions.checkNumberOrNone( self, 'delta', value)
def _set_delta(self,value): self._delta=ValidationFunctions.checkNumberOrNone(self,'delta',value)
def _set_first(self, value): self._first = ValidationFunctions.checkNumberOrNone( self, 'first', value)
def _set_first(self,value): self._first=ValidationFunctions.checkNumberOrNone(self,'first',value)