update pyo3 version and Rust edition

Cargo.toml

@@ -1,8 +1,8 @@
 [package]
 name = "entropython"
-version = "1.1.0"
+version = "1.1.1"
 authors = ["Enkelmann <[email protected]>"]
-edition = "2018"
+edition = "2021"
 description = "A Python module for efficient calculation of Shannon byte entropy based on Rust."
 readme = "README.md"
 homepage = "https://github.com/fkie-cad/entropython"
@@ -16,9 +16,5 @@ name = "libentropython"
 path = "rust/lib.rs"
 crate-type = ["cdylib"]
 
-[dependencies.pyo3]
-version = "0.17.1"
-
-[features]
-extension-module = ["pyo3/extension-module"]
-default = ["extension-module"]
+[dependencies]
+pyo3 = { version = "0.22.2", features = ["extension-module"] }

rust/lib.rs

@@ -37,7 +37,7 @@ fn metric_entropy(bytes: &[u8]) -> f64 {
 /// This module implements functions to compute the Shannon byte entropy of a byte array.
 /// The computation itself is implemented in Rust for faster runtime.
 #[pymodule]
-fn libentropython(_py: Python, m: &PyModule) -> PyResult<()> {
+fn libentropython(m: &Bound<'_, PyModule>) -> PyResult<()> {
     m.add_function(wrap_pyfunction!(shannon_entropy, m)?)?;
     m.add_function(wrap_pyfunction!(metric_entropy, m)?)?;
     Ok(())
@@ -60,4 +60,4 @@ mod tests {
         assert!(shannon_entropy(&bytes) > 7.99f64);
         assert!(shannon_entropy(&bytes) <= 8f64);
     }
-}
+}