Error deploying sample Python Flask app

I get following error when I deploy python-hello-fly example. Can you help me resolve please.

Processing triggers for libc-bin (2.28-10) …

Error error building: error rendering build status stream: The command ‘/bin/sh -c set -ex && apt-get update && apt-get install -y --no-install-recommends wget && wget -O /usr/bin/hivemind.gz && gzip -d /usr/bin/hivemind.gz && chmod +x /usr/bin/hivemind’ returned a non-zero code: 8

Looks like this was a docker build error caused by a network issue, have you retried?