fix: enables stream to pull new items when the before_attribute has been deleted

[cmays90]

Fixes #16

Feature Summary and Justification

This feature fixes an issue where the stream would stall when the last item pulled was deleted. This fix matches the functionality and implementation of main PRAW.

[LilSpazJoekp]

I can't remember why this was different than the main PRAW. If I remember correctly, I had issues with tests passing without the change. I will do some digging.

[LilSpazJoekp]

Could you add a change log entry?

[cmays90]

Updated.

[LilSpazJoekp]

Could you take a look at the check errors? It seems some cassettes need re-recorded with this change.

[vikasbhatia]

Hi @LilSpazJoekp and @cmays90, any ETA on when this fix will be merged into asyncpraw? I recently switched from PRAW and I'm facing the exact same issue described in #16 where a subreddit stream just stops working after a little while, no exceptions/errors logged.

I was thinking of installing this PR directly but I see some failing checks - would that be a problem?

Thank you for all your work.

[LilSpazJoekp]

I was thinking of installing this PR directly but I see some failing checks - would that be a problem?

Most likely not. However, since tests are not currently passing, I cannot guarantee its stability. Though, looking at the failing tests, it appears it just needs the tests rerecorded. That being said, you are more than welcome to use this version however, I won't accept any new issues regarding said version.

[LilSpazJoekp]

@cmays90 Could you add yourself to AUTHORS.rst please? After that, I'll finish this up for you. Thanks!

[LilSpazJoekp]

I got this finished up and merged for you. Thanks for the PR!

[coveralls]

Pull Request Test Coverage Report for Build af4d1a1a91dfc32f80de9d933bdda370aafcf180-PR-18

• 1 of 1 (100.0%) changed or added relevant line in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build faebf274c697b55fadff2dbd2012351e07a107b8:	0.0%
Covered Lines:	3559
Relevant Lines:	3559

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💛 - Coveralls