Error running notebook on google colab

[sandeshkatakam]

I ran the first lesson notebook random forests in google colab and in the import section of the notebook. The code cell returns the following errors :

1. ModuleNotFoundError: No module named 'fastai.structured'
2. ModuleNotFoundError: No module named 'pandas_summary'
3. NameError: name 'set_plot_sizes' is not defined