Add retry when downloading pulsar through apache in CI (#1636)
Add retry when downloading pulsar through apache in CI (#1636)

We have had lots of failures downloading pulsar recently.

This PR adds --retry 10 to reduce the failure.

Signed-off-by: Yong Tang <765086fe2e0c1f980161f127fec596800f327f62@outlook.com>
tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io,tensorflow/io