[Bug] Keras 2.0.6 & Tensorflow compatibility

[ericnrobertson]

Some versions of tensorflow seem to be incompatible with Keras 2.0.6, unaddressed by pip installation listed in docs.

Traceback (most recent call last):
File "/Exploratory/DeepIV.py", line 5, in
from deepiv.models import Treatment, Response
File "/anaconda3/envs/deepiv/lib/python3.6/site-packages/deepiv/models.py", line 6, in
import deepiv.samplers as samplers
File "/anaconda3/envs/deepiv/lib/python3.6/site-packages/deepiv/samplers.py", line 4, in
from keras import backend as K
File "/anaconda3/envs/deepiv/lib/python3.6/site-packages/keras/init.py", line 4, in
from . import activations
File "/anaconda3/envs/deepiv/lib/python3.6/site-packages/keras/activations.py", line 6, in
from .engine import Layer
File "/anaconda3/envs/deepiv/lib/python3.6/site-packages/keras/engine/init.py", line 8, in
from .training import Model
File "/anaconda3/envs/deepiv/lib/python3.6/site-packages/keras/engine/training.py", line 25, in
from .. import callbacks as cbks
File "/anaconda3/envs/deepiv/lib/python3.6/site-packages/keras/callbacks.py", line 26, in
from tensorflow.contrib.tensorboard.plugins import projector
ModuleNotFoundError: No module named 'tensorflow.contrib'

[XingruiWang]

The implementation in TensorFlow 2 is almost finished, see here.

[jhartford]

@XingruiWang thank you so much for this!