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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"'No time zone found with key EST' in debian 13","articleBody":"## Description\n\nIn debian 13, the tzdata package has changed and no longer includes timezones like `EST`. Code within python-kasa is causing it to break when used in debian 13, whereas the same code functions fine in debian 12.\n\n## Workaround\n\nA bandaid for this is to install the `tzdata-legacy` package, which includes the deprecated timezones.\n\n## Examples\n\nBoth of these examples were set up by running a docker container and then:\n\n```sh\napt update \u0026\u0026 apt install -y curl\ncurl -LsSf https://astral.sh/uv/install.sh | sh\nexport PATH=\"$HOME/.local/bin:$PATH\"\nuv tool install python-kasa\n```\n\n### Debian 12\n\nA working command:\n```\nroot@a33d3da471be:/# kasa --host 192.168.9.79 off\nDiscovering device 192.168.9.79 for 10 seconds\nTurning off Office AA0F\n```\n\nAnd some debug info:\n```\nroot@a33d3da471be:/# head -n1 /root/.local/bin/kasa\n#!/root/.local/share/uv/tools/python-kasa/bin/python\nroot@a33d3da471be:/# /root/.local/share/uv/tools/python-kasa/bin/python --version\nPython 3.13.7\nroot@a33d3da471be:/# kasa --version\nkasa, version 0.10.2\nroot@a33d3da471be:/# ls /usr/share/zoneinfo/EST\n/usr/share/zoneinfo/EST\nroot@a33d3da471be:/# dpkg -l tzdata\nDesired=Unknown/Install/Remove/Purge/Hold\n| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend\n|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)\n||/ Name           Version         Architecture Description\n+++-==============-===============-============-=======================================\nii  tzdata         2025b-0+deb12u2 all          time zone and daylight-saving time data\n```\n\n### Debian 13\n\nA failing command:\n```\nroot@1332b6287f11:/# kasa --host 192.168.9.79 off\nDiscovering device 192.168.9.79 for 10 seconds\nRaised error: 'No time zone found with key EST'\nRun with --debug enabled to see stacktrace\n```\n\nAnd some debug info:\n```\nroot@1332b6287f11:/# head -n1 /root/.local/bin/kasa\n#!/root/.local/share/uv/tools/python-kasa/bin/python\nroot@1332b6287f11:/# /root/.local/share/uv/tools/python-kasa/bin/python --version\nPython 3.13.7\nroot@1332b6287f11:/# kasa --version\nkasa, version 0.10.2\nroot@1332b6287f11:/# ls /usr/share/zoneinfo/EST\nls: cannot access '/usr/share/zoneinfo/EST': No such file or directory\nroot@1332b6287f11:/# dpkg -l tzdata\nDesired=Unknown/Install/Remove/Purge/Hold\n| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend\n|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)\n||/ Name           Version         Architecture Description\n+++-==============-===============-============-=======================================\nii  tzdata         2025b-4+deb13u1 all          time zone and daylight-saving time data\n```\n\n## Additional information\n\n- \u003chttps://www.debian.org/releases/trixie/release-notes/issues.en.html#timezones-split-off-into-tzdata-legacy-package\u003e\n- \u003chttps://rachelbythebay.com/w/2025/09/11/debtz/\u003e\n- \u003chttps://news.ycombinator.com/item?id=45218111\u003e","author":{"url":"https://github.com/danielhoherd","@type":"Person","name":"danielhoherd"},"datePublished":"2025-09-24T20:21:11.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":8},"url":"https://github.com/1579/python-kasa/issues/1579"}