unsupported operand type(s) for +: 'builtin_function_or_method' and 'builtin_function_or_method'

[SaidaSaad]

Hi I use that example in my code but i got that problem

Traceback (most recent call last):
File "/mnt/HDD/train_Model_1.py", line 237, in
train_loss = np.average(train_losses)
File "<array_function internals>", line 6, in average
File "/home/saida/.local/lib/python3.6/site-packages/numpy/lib/function_base.py", line 380, in average
avg = a.mean(axis)
File "/home/saida/.local/lib/python3.6/site-packages/numpy/core/_methods.py", line 160, in _mean
ret = umr_sum(arr, axis, dtype, out, keepdims)
TypeError: unsupported operand type(s) for +: 'builtin_function_or_method' and 'builtin_function_or_method' '\