no module named 'tensorflow' in jupyter code example

Example 1: ImportError: No module named tensorflow

pip install tensorflow==1.2.0 --ignore-installed

Example 2: ModuleNotFoundError: No module named 'tensorboardX'

Install it using the following command
$ pip install tensorboardX

Example 3: No module named 'tensorflow docs'

pip install git+https://github.com/tensorflow/docs