def test_prev_layer(self):
with self.assertRaises(AssertionError):
Layer(15).prev_layer('')
x = Layer(1)
y = Layer(2)
y.prev_layer(x)
y.prev is x
def test_prev_layer(self):
with self.assertRaises(AssertionError):
Layer(15).prev_layer('')
x = Layer(1)
y = Layer(2)
y.prev_layer(x)
y.prev is x
