René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Drop Python 2.7 support","articleBody":"This would be semver major (`google-api-core` 2.0.0).  Clients which cannot move forward (e.g, `google-cloud-storage` already pin `google.api_core \u003c 2.0.0dev` either directly or transitively (via `google-cloud-core`).\r\n\r\nExtra cleanups:\r\n\r\n- ~~Drop `mock` wrapper (use `from unittest import mock` directly, replacing work in googleapis/python-api-core#208).~~  Can't remove it until we drop support for Python 3.6 / 3.7, as it provides the `mock.AsyncMock` helper we need.\r\n- [x] Drop `six`.\r\n- [x] Drop other Python 2.7-specific workarounds (`collections_abc`, etc.)\r\n- [x] Drop `u\"` prefixes for text strings.\r\n- [x] Drop `pytz` (per googleapis/python-api-core#73).\r\n- ~~Replace [workaround](https://github.com/googleapis/python-api-core/blob/11032cf08ecc16dd252a6cda8b33b0b28ec4f4ba/google/api_core/bidi.py#L640-L652) in `bidi.BackgroundConsumer._thread_main` with `Condition.wait_for`.~~ Moved to googleapis/google-cloud-python#15088.","author":{"url":"https://github.com/tseaver","@type":"Person","name":"tseaver"},"datePublished":"2021-06-15T17:43:53.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/210/python-api-core/issues/210"}