storlet invocation on proxy fails because of "AttributeError: 'list_iterator' object has no attribute 'close'"

[Takashi Kajinami]

Currently storlet invocation on proxy is broken because of "AttributeError: 'list_iterator' object has no attribute 'close'" error in proxy server.

https://31f5a604533cfe884657-33f656355cb181b1a49e482666ed4382.ssl.cf5.rackcdn.com/671057/25/check/storlets-functional-py3/4a9c19d/job-output.txt

https://31f5a604533cfe884657-33f656355cb181b1a49e482666ed4382.ssl.cf5.rackcdn.com/671057/25/check/storlets-functional-py3/4a9c19d/logs/proxy-server.log

Seems that the following commit introduced the cause.

https://github.com/openstack/swift/commit/fb08d477eb7bf5e678b9cd99b44a435842a7dfbf

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/swift 2.27.0 release.

[Takashi Kajinami (kajinamit)]

It turned out this issue was caused by the change in swift, and the issue was fixed at swift side.

https://review.opendev.org/c/openstack/swift/+/759602