bump: update pyo3 dependency to version 0.24.0 and improve module function signature

2 files changed, 5 insertions, 2 deletions

diff --git a/Cargo.toml b/Cargo.toml
index f0c5805..71fe671 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,5 +15,5 @@ name = "_core"
 crate-type = ["cdylib"]
 
 [dependencies]
-pyo3 = { version = "0.19.2", features = ["abi3-py39"] }
+pyo3 = { version = "0.24.0", features = ["abi3-py39"] }
 time = { version = "0.3.39", features = ["formatting", "macros", "local-offset"] }
diff --git a/src/lib.rs b/src/lib.rs
index 166cb09..8f19266 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -8,8 +8,11 @@ fn sum_as_string(a: usize, b: usize) -> PyResult<String> {
 #[pyclass]
 pub struct Base {}
 
+/// A Python module implemented in Rust. The name of this function must match
+/// the `lib.name` setting in the `Cargo.toml`, else Python will not be able to
+/// import the module.
 #[pymodule]
-fn _core(_py: Python<'_>, m: &PyModule) -> PyResult<()> {
+fn _core(m: &Bound<'_, PyModule>) -> PyResult<()> {
     m.add_function(wrap_pyfunction!(sum_as_string, m)?)?;
     m.add_class::<Base>()?;
     Ok(())