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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Firebird 4: \"timezone not set or does not have a name\" when TZ=UTC","articleBody":"Working on a new Dialect for SQLALchemy using `firebird-driver` I've been stuck with this error:\r\n\r\n`Datatimezone not set or does not have a name`\r\n\r\nwhich is being raised by [this code](https://github.com/FirebirdSQL/python3-driver/blob/master/src/firebird/driver/interfaces.py#L1634) because `timestamp.tzinfo` doesn't have a `_timezone_` attribute.\r\n\r\nAnd, indeed, the debugger shows me that it doesn't have this attribute:\r\n\r\n![image](https://user-images.githubusercontent.com/629408/234386231-831c84b0-5b68-49da-ae02-bb3e1817b533.png)\r\n\r\nBut I can't see what I'm missing here. It seems a perfectly valid timestamp with a well defined timezone to me. Why is this exception being raised?\r\n\r\nFor reference: [this](https://github.com/sqlalchemy/sqlalchemy/blob/main/lib/sqlalchemy/testing/suite/test_types.py#L554) is the test from SQLAlchemy test suite. It's a very simple one, just testing a roundtrip value to/from Firebird.","author":{"url":"https://github.com/fdcastel","@type":"Person","name":"fdcastel"},"datePublished":"2023-04-25T19:52:28.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":3},"url":"https://github.com/19/python3-driver/issues/19"}