Update Dockerfile: reverting to tf 1.3

Status Job ID Name Coverage
  Build
passed #7633
build:json

00:00:25

failed #7632
build:pytorch

00:00:25

 
  Test
skipped #7634
test:json
 
  Push
skipped #7635
push:all
skipped #7636
push:hub
 
  Deploy
skipped #7637
deploy:json
 
Name Stage Failure
failed
build:pytorch Build There is an unknown failure, please try again
 ---> 06e67231e9aa
Removing intermediate container 29f977e4dd32
Step 3/4 : RUN pip3 install http://download.pytorch.org/whl/cu80/torch-0.3.1-cp36-cp36m-linux_x86_64.whl
---> Running in b7eabb82f95e
torch-0.3.1-cp36-cp36m-linux_x86_64.whl is not a supported wheel on this platform.
You are using pip version 9.0.1, however version 9.0.3 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
The command '/bin/sh -c pip3 install http://download.pytorch.org/whl/cu80/torch-0.3.1-cp36-cp36m-linux_x86_64.whl' returned a non-zero code: 1
ERROR: Job failed: exit code 1