code: def checkValue(self,value,strict=0):
          
          v = self._coerceValue(value,strict)
          for i in range(len(v)):
              self.checkOneValue(v[i],strict=strict)
          return v
docs: Check and convert a parameter value.
  
          Raises an exception if the value is not permitted for this
          parameter.  Otherwise returns the value (converted to the
          right type.)