keras depend tensorflow module

[ipsec]

Using TensorFlow backend.
Traceback (most recent call last):
File "/Users/fernando/Desenvolvimento/Projetos/alphago/alphago-zero.py", line 3, in
import keras
File "/Users/fernando/Desenvolvimento/VirtualEnvs/MCTS/lib/python3.6/site-packages/keras/init.py", line 3, in
from . import utils
File "/Users/fernando/Desenvolvimento/VirtualEnvs/MCTS/lib/python3.6/site-packages/keras/utils/init.py", line 6, in
from . import conv_utils
File "/Users/fernando/Desenvolvimento/VirtualEnvs/MCTS/lib/python3.6/site-packages/keras/utils/conv_utils.py", line 3, in
from .. import backend as K
File "/Users/fernando/Desenvolvimento/VirtualEnvs/MCTS/lib/python3.6/site-packages/keras/backend/init.py", line 83, in
from .tensorflow_backend import *
File "/Users/fernando/Desenvolvimento/VirtualEnvs/MCTS/lib/python3.6/site-packages/keras/backend/tensorflow_backend.py", line 1, in
import tensorflow as tf
ModuleNotFoundError: No module named 'tensorflow'

tensorflow is requirement to run your code
please update documentation

[che-shr-cat]

Hi,
Keras actually works with different backends, Tensorflow is just a one (yet most known).
I think these models do not use any features specific to Tensorflow.