- self.assertListEqual(list(symbols('x y')), [self.x, self.y])
- self.assertListEqual(list(symbols('x,y')), [self.x, self.y])
- self.assertListEqual(list(symbols(['x', 'y'])), [self.x, self.y])
+ self.assertTupleEqual(symbols('x y'), (self.x, self.y))
+ self.assertTupleEqual(symbols('x,y'), (self.x, self.y))
+ self.assertTupleEqual(symbols(['x', 'y']), (self.x, self.y))