Google Colab script throws "Transport endpoint is not connected"

Google Colab script throws "Transport endpoint is not connected"

bash python-2.7 google-colaboratory

bash

CommandNotFoundError: Your shell has not been properly configured to use 'conda activate'

python bash anaconda conda google-colaboratory

bash

How to terminate current colab session from notebook cell

python bash google-colaboratory

bash

google colab /bin/bash: 'gdrive/My Drive/path/myfile : Permission denied

python bash permissions file-permissions google-colaboratory

bash