update pandas in requirements_optional.txt

emilykl · web-flow · commit 2ae3a5a43c39 · 2025-06-05T16:54:26.000-04:00
Due to: pandas-dev/pandas#61563 (comment)
diff --git a/test_requirements/requirements_optional.txt b/test_requirements/requirements_optional.txt
@@ -1,5 +1,6 @@
 requests
-pandas
+pandas<2.3.0;python_version<="3.9"  # pandas 2.3.0 dropped support for 3.9 but did not update 'requires-python', so we pin manually here
+pandas;python_version>"3.9"
 numpy
 xarray
 statsmodels
