Message 400897 - Python tracker

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Author	serhiy.storchaka
Recipients	leopold.talirz, rhettinger, serhiy.storchaka
Date	2021-09-02.05:50:55
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1630561855.95.0.0262632634614.issue45080@roundup.psfhosted.org>
In-reply-to

Content
1. self.hashvalue == other.hashvalue is not enough. Different tuples can have the same hash value, so you steel need to compare their context. 2. _HashedSeq is only used as a key in a dictionary. When you look up a key in dictionary, it compares hashes first. __eq__ is only called when hashes match.

1. self.hashvalue == other.hashvalue is not enough. Different tuples can have the same hash value, so you steel need to compare their context.

2. _HashedSeq is only used as a key in a dictionary. When you look up a key in dictionary, it compares hashes first. __eq__ is only called when hashes match.

History
Date	User	Action	Args
2021-09-02 05:50:55	serhiy.storchaka	set	recipients: + serhiy.storchaka, rhettinger, leopold.talirz
2021-09-02 05:50:55	serhiy.storchaka	set	messageid: <1630561855.95.0.0262632634614.issue45080@roundup.psfhosted.org>
2021-09-02 05:50:55	serhiy.storchaka	link	issue45080 messages
2021-09-02 05:50:55	serhiy.storchaka	create