Weekly Patch Release v1.5.1

[awaelchli]

What does this PR do?

Contains all bugfixes to be released next week. As bugfixes get merged to master, they will get cherry-picked into this branch by the individual author (core) or on-caller.

For staff/core: The new release guide is here.

gh pr list -s merged -S 'merged:2021-11-01T18:30:00.000Z..2021-11-10T18:30:00.000Z' --json mergedAt,milestone,url,mergeCommit,title --jq 'sort_by(.mergedAt) | reverse | .[] | select((.milestone.title == "1.5.x") or (.milestone.title == null)) | [.mergedAt, .url, .mergeCommit.oid, .title] | join(" ")' --limit 100

2021-11-09T14:58:31Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10434 7fb277f260bf91137af1ac599ed2751bbf1d49e3 Resolve workers being forcelly deleted with `persistent_workers=True`
2021-11-09T14:51:53Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10432 f1882aa69fe5eaa7bc9a8027ca7e184c17d05502 [Fault Tolerance] Don't check the len of a dataset, but its instance.
2021-11-09T14:21:01Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10429 aaa6aa75e9e10de8857324e2142e137e7d7a43b2 Fix converting only float type tensors in Lite
2021-11-09T11:23:27Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10409 21eafafcb0951ac8032de779b1d70c7de0af4c0b disable step logging in epoch hooks
2021-11-08T11:28:59Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10376 613aa0951416dde0ff8bb8dfa78f7808e83e7ff2 Revert part of #10279
2021-11-08T10:36:35Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10388 89e1360e756d5a697863e5aa28379e1cf587c422 Fix pickling error with CSVLogger
2021-11-08T02:05:44Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10359 bdc24e558a075acf5e71c957f24eb05ea7b25f28 Only import PostLocalSGD related modules when it's needed
2021-11-05T17:31:45Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10334 45f6a3b1758f88af7fd776915539800cbc0137a9 Fix DataLoader inspection and re-instantiation in Lite
2021-11-04T17:26:25Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10269 939a861853059d4a632843dbbf83e9ab802ad424 Update Python testing
2021-11-04T11:46:57Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10345 ce3e63262a7247c1111375b28c90bdd83b42bf3f Fix failure when `DataLoader(batch_size=None)` is passed
2021-11-03T11:18:10Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10316 93caa7cda9277f86f17b1eab0793019aee8d40c2 Fix `apply_to_collection(defaultdict)`
2021-11-02T21:36:18Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10307 4cd7e77ad2471379eaf768c20d8a3284aeb8b0b5 Add note for PyCharm users on configuration for `RichProgressBar`
2021-11-02T17:43:55Z https://github.com/PyTorchLightning/pytorch-lightning/pull/10311 72288b2b32b5466aed531ac7e6b885ecf7da7b0e update ref to 1.5 as stable

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Did you have fun?

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Part of #1 (it's a lie, this is just here to avoid noisy GitHub bot)

[awaelchli]

Some fixes that could potentially be included today:

• Fix converting only float type tensors in Lite #10429,
• Fix deadlocks for distributed training for RichProgressBar #10428,
• Enable distributed training with CombinedDataLoader and max_size_cycle #10374,
• Resolve workers being forcelly deleted with persistent_workers=True #10434

[rohitgr7]

don't forget to update the description once finalized :)

[kaushikb11]

New Chapter begins! 🥳

[tchaton]

LGTM !

[Borda]

just not sure if we really want to update all CI do newer versions of Python, I would probably rather stay conservative, and as we have not updated it before v1.5 then do not update bugfix branch either...

[awaelchli]

This would concern the commit 4f6dcb9, right? Requesting comment from @carmocca.

[carmocca]

It's fine to keep, no versions were added or removed, the jobs were just reorganized.