add changelog

ankitkhushwaha · ankitkhushwaha · commit 69da7dff3ed6 · 2025-04-12T16:15:19.000+05:30
diff --git a/docs/changes/912.bugfix.rst b/docs/changes/912.bugfix.rst
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+Fixed the ``tstart`` attribute not updating correctly in the ``stingray.Lightcurve.shift`` method. 

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	`1`	+Fixed the ``tstart`` attribute not updating correctly in the ``stingray.Lightcurve.shift`` method.