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Make nomenclature compatible with pandas 3.x - #624
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dc-almeida wants to merge 10 commits into
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danielhuppmann
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Nov 12, 2026
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Thanks, looks good to me!
But can you please add one workflow to run the tests also with pandas<3.0, similar to the legacy workflow that we have in pyam. To guard against unexpected behaviour, there may be packages like climate-processor that won't be compatible with the latest pandas for a while.
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Added legacy workflow f908d5b @danielhuppmann |
dc-almeida
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November 12, 2026 10:16
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This PR adds some small changes to make nomenclature compatible with the latest major release of pandas (v3).
The two changes are a dependency version update for pyam (32d0f5e and pyam#1010), that was patched to account for a change in default behaviour in
DataFrame.stack(), and a type casting for string columns toobjectto make them compatible withNone(f0a1c9c and dba816f).The remaining commits are linting that likely was flagged due to updating the Ruff version.