message: Update setup.py
  Add an upper bound to keras and tensorboard
diff: @@ -101,8 +101,8 @@ REQUIRED_PACKAGES = [
  # These need to be in sync with the existing TF version
  # They are updated during the release process
  # When updating these, please also update the nightly versions below
  - 'tensorboard ~= 2.6',
  - 'tensorflow_estimator < 2.7',
  + 'tensorboard >= 2.6.0, < 2.7',
  + 'tensorflow_estimator >= 2.6.0, < 2.7',
  'keras >= 2.6.0, < 2.7',
  ]
  