I defined a simple function def(eval_mse) and i am getting this error after running the code below:

{removed code by mentor}

```
y_hat = np.array([2.4, 4.2])
y_tmp = np.array([2.3, 4.1])
eval_mse(y_hat, y_tmp)
# BEGIN UNIT TEST
test_eval_mse(eval_mse)
# END UNIT TEST
```

```
AssertionError Traceback (most recent call last)
<ipython-input-56-eb47829dd554> in <module>
4
5 # BEGIN UNIT TEST
----> 6 test_eval_mse(eval_mse)
7 # END UNIT TEST
~/work/public_tests_a1.py in test_eval_mse(target)
13 result = target(y_hat, y_tmp)
14
---> 15 assert np.isclose(result, 0.005, atol=1e-6), f"Wrong value. Expected 0.005, got {result}"
16
17 y_hat = np.array([3.] * 10)
AssertionError: Wrong value. Expected 0.005, got 0.0
```