I am using Google Cloud to train a neural network on the cloud like in the following example:
https://cloud.google.com/blog/big-data/2016/12/how-to-classify-images-with-
It looks like your apache-beam library installation might be incomplete.
try pip install apache-beam[gcp]
pip install apache-beam[gcp]
It allows apache beam to access files stored on Google Cloud Storage.
Apache Beam package available here