[BUG] Tensorboard does not show up after clicking send to tensorboard button

[cvsekhar]

Platform & setup
MacOS: 10.15.5
docker for desktop (mac): v19.03.8

Describe the bug
Tensorboard doesn't get displayed after clicking the send to tensorboard button after running an experiment.

To Reproduce
Steps to reproduce the behavior:

1. git clone CIFAR tutorial
2. enable the tensorboard integration by foundations.set_tensorboard_logdir('train_logs')
3. foundations submit scheduler . driver.py
4. after the job is completed click on send to tensorboard a blank page is displayed

Expected behavior
tensorboard page should be opened

Screenshots

Additional context / Stacktrace
tensorboard rest API port 5000 might not be exposed as both this and scheduler are trying to listen on the same port.

[phalix]

that is the same as #179