Hyperion

i installed tensor2tensor1.14.1 and tensorflow 1.15.0 on Colab ``` tensor2tensor 1.14.1 tensorboard 1.15.0 tensorboard-plugin-wit 1.7.0 tensorboardcolab 0.0.22 tensorflow 1.15.0 tensorflow-addons 0.8.3 tensorflow-datasets 2.1.0 tensorflow-estimator 1.15.1 tensorflow-gan 2.0.0 tensorflow-gcs-config 2.3.0 tensorflow-hub...