fix: Remove EXPERIMENTAL tag for ordering keys in publisher/client.py (#324)
fix: Remove EXPERIMENTAL tag for ordering keys in publisher/client.py (#324)

* Remove EXPERIMENTAL tag for ordering keys in publisher/client.py

* fix(sample): mark test flaky (#326)

* fix(sample): retry InternalServerError (#329)

fixes #321

Co-authored-by: Tianzi Cai <a51e53bb4cdbf2ef63c881551325c83dfc7a432c@google.com>
Co-authored-by: Takashi Matsuo <f7c23db50f898cb58348f8ccc2931585dc97581a@google.com>
googleapis/python-pubsub,googleapis/python-pubsub