fix scipy version: >=1.10 for py3.9 compat

Author: claude

pyproject.toml

@@ -36,7 +36,7 @@ dependencies = [
     "numpy>=2.0",
     "progressbar2>=4.5",
     "pyclipper>=1.3",
-    "scipy>=1.16",
+    "scipy>=1.10",
     "tomli>=2.0; python_version < '3.11'",
 ]