Block Python 3.14 due to policyengine-core compatibility issue (#1402)

MaxGhenis · claude · web-flow · commit 4eaa1bea2c5c · 2025-11-27T11:15:01.000-05:00
The person() accessor in policyengine-core returns unweighted values instead of weighted values when running with Python 3.14, causing all microsimulation-based tax calculations to return incorrect results. See: PolicyEngine/policyengine-core#407 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-authored-by: Claude <noreply@anthropic.com>
diff --git a/pyproject.toml b/pyproject.toml
@@ -22,7 +22,7 @@ classifiers = [
     "Programming Language :: Python :: 3.13",
     "Topic :: Scientific/Engineering :: Information Analysis",
 ]
-requires-python = ">=3.13"
+requires-python = ">=3.13,<3.14"
 dependencies = [
     "policyengine-core>=3.19.3",
     "microdf-python>=1.0.2",

Original file line number	Diff line number	Diff line change
`@@ -22,7 +22,7 @@ classifiers = [`
`22`	`22`	`"Programming Language :: Python :: 3.13",`
`23`	`23`	`"Topic :: Scientific/Engineering :: Information Analysis",`
`24`	`24`	`]`
`25`		`-requires-python = ">=3.13"`
	`25`	`+requires-python = ">=3.13,<3.14"`
`26`	`26`	`dependencies = [`
`27`	`27`	`"policyengine-core>=3.19.3",`
`28`	`28`	`"microdf-python>=1.0.2",`