--- title: PostgreSQL adapter for Python | daily.dev description: Psycopg 2.7.3 is a quick patch release fixing a regression from 2.7.2 that broke default typecasting of timestamptz arrays to Python datetime objects. The fix... canonical: https://daily.dev/posts/postgresql-adapter-for-python-trrfxau0s twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: PostgreSQL adapter for Python | daily.dev og:description: Psycopg 2.7.3 is a quick patch release fixing a regression from 2.7.2 that broke default typecasting of timestamptz arrays to Python datetime objects. The fix... og:url: https://daily.dev/posts/postgresql-adapter-for-python-trrfxau0s og:image: https://api.daily.dev/og/posts/tRRfxAu0S.png og:image:alt: PostgreSQL adapter for Python og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # PostgreSQL adapter for Python **[Psycopg](https://daily.dev/sources/psycopg)** · 1 min read · 0 upvotes · 0 comments ## Summary Psycopg 2.7.3 is a quick patch release fixing a regression from 2.7.2 that broke default typecasting of timestamptz arrays to Python datetime objects. The fix restores the previous behavior. Available via PyPI or source. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Questions this post answers ### Why did timestamptz array values stop converting to Python datetime objects after upgrading psycopg2? Psycopg2 2.7.2 introduced a regression that broke the default typecasting of timestamptz[] columns to Python datetime objects, tracked as ticket #578. The fix shipped in psycopg2 2.7.3, which restores the original default typecasting behavior. Upgrading to 2.7.3 resolves the issue without any code changes required. _Track psycopg2 regressions and patch releases like this one on daily.dev before they hit your database layer._ --- Tags: [#python](https://daily.dev/tags/python), [#postgresql](https://daily.dev/tags/postgresql) [View this post on daily.dev](https://daily.dev/posts/postgresql-adapter-for-python-trrfxau0s) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"PostgreSQL adapter for Python","url":"https://daily.dev/posts/postgresql-adapter-for-python-trrfxau0s","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/postgresql-adapter-for-python-trrfxau0s"},"datePublished":"2026-08-23T12:18:56.394Z","dateModified":"2026-08-23T12:35:03.286Z","description":"Psycopg 2.7.3 is a quick patch release fixing a regression from 2.7.2 that broke default typecasting of timestamptz arrays to Python datetime objects. 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