Tensorflow module is missing

[alex-vinnik-sp]

What Tensorflow version is needed? Thanks.

$ python run_karate.py -node2vec 0
Using TensorFlow backend.
Traceback (most recent call last):
  File "run_karate.py", line 18, in <module>
    from gem.embedding.sdne     import SDNE
  File "/Users/alex.vinnik/.local/lib/python3.6/site-packages/gem-1.0.0-py3.6.egg/gem/embedding/sdne.py", line 20, in <module>
    from .sdne_utils import *
  File "/Users/alex.vinnik/.local/lib/python3.6/site-packages/gem-1.0.0-py3.6.egg/gem/embedding/sdne_utils.py", line 3, in <module>
    from keras.layers import Input, Dense
  File "/Users/alex.vinnik/.local/lib/python3.6/site-packages/Keras-2.0.2-py3.6.egg/keras/__init__.py", line 3, in <module>
    from . import activations
  File "/Users/alex.vinnik/.local/lib/python3.6/site-packages/Keras-2.0.2-py3.6.egg/keras/activations.py", line 3, in <module>
    from . import backend as K
  File "/Users/alex.vinnik/.local/lib/python3.6/site-packages/Keras-2.0.2-py3.6.egg/keras/backend/__init__.py", line 64, in <module>
    from .tensorflow_backend import *
  File "/Users/alex.vinnik/.local/lib/python3.6/site-packages/Keras-2.0.2-py3.6.egg/keras/backend/tensorflow_backend.py", line 1, in <module>
    import tensorflow as tf
ModuleNotFoundError: No module named 'tensorflow'