diff -r 1f19c6bbf07b -r 3868555d135c Cargo.toml
--- a/Cargo.toml	Sun Apr 27 20:29:43 2025 -0500
+++ b/Cargo.toml	Fri May 15 14:46:30 2026 -0500
@@ -1,6 +1,6 @@
 [package]
 name = "alg_tools"
-version = "0.3.2"
+version = "0.4.1-dev"
 edition = "2021"
 rust-version = "1.85"
 authors = ["Tuomo Valkonen <tuomov@iki.fi>"]
@@ -20,7 +20,7 @@
 [dependencies]
 serde = { version = "1.0", features = ["derive"] }
 csv = "~1.3.1"
-nalgebra = "~0.33.0"
+nalgebra = "~0.34.0"
 num-traits = { version = "~0.2.14", features = ["std"] }
 colored = "~2.1.0"
 num = "~0.4.0"
@@ -31,11 +31,11 @@
 rayon = "1.5.3"
 simba = "0.9.0"
 anyhow = "1.0.95"
+pyo3 = { version = "~0.27.0", optional = true }
 
 [package.metadata.docs.rs]
 rustdoc-args = ["--html-in-header", "katex-header.html"]
 
-
 [profile.release]
 debug = true
 
@@ -45,6 +45,7 @@
 # The nightly feature enables some additional features.
 # Nightly-based optimisations are decided automatically by build.rs.
 nightly = []
+pyo3 = ["dep:pyo3"]
 
 [build-dependencies]
 rustc_version = "0.4"