No progress bar when training on Google Colab
🐛 Bug

To Reproduce
Steps to reproduce the behavior:

Go to https://colab.research.google.com/drive/1W-_30tbOBMz_t0_yozzwJzlcu6m3xd8W
Run the Trainer section of the MNIST
It downloads the MNIST dataset and keeps spinning for a while and thats it, no progress bar or anything.


Environment
Google Colab, with current github version of pytorch-lightning installed.
PyTorch version: 1.4.0
Is debug build: No
CUDA used to build PyTorch: 10.1
OS: Ubuntu 18.04.3 LTS
GCC version: (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0
CMake version: version 3.12.0
Python version: 3.6
Is CUDA available: Yes
CUDA runtime version: 10.0.130
GPU models and configuration: GPU 0: Tesla K80
Nvidia driver version: 418.67
cuDNN version: /usr/lib/x86_64-linux-gnu/libcudnn.so.7.6.5
Versions of relevant libraries:
[pip3] numpy==1.17.5
[pip3] pytorch-lightning==0.7.1
[pip3] torch==1.4.0
[pip3] torchsummary==1.5.1
[pip3] torchtext==0.3.1
[pip3] torchvision==0.5.0
[conda] Could not collect