chore(python): Update PyO3 to 0.28.0

bindings/python/CHANGELOG.md

@@ -6,6 +6,10 @@
 
 - `apply_width_attributes` and `apply_height_attributes` options to add dimension HTML attributes from CSS properties on supported elements (`table`, `td`, `th`, `img`). [#652](https://github.com/Stranger6667/css-inline/issues/652)
 
+### Changed
+
+- Update `PyO3` to `0.28.0`.
+
 ### Performance
 
 - Skip selectors that reference non-existent classes, IDs, or tags.

bindings/python/Cargo.toml

@@ -14,7 +14,7 @@ crate-type = ["cdylib"]
 built = { version = "0.8.0", features = ["cargo-lock", "chrono"] }
 
 [dependencies]
-pyo3 = { version = "0.27.1", features = ["extension-module", "abi3-py39"] }
+pyo3 = { version = "0.28.0", features = ["extension-module", "abi3-py39"] }
 pyo3-built = "0.6"
 rayon = "1"
 url = "2"

bindings/python/src/lib.rs

@@ -75,7 +75,7 @@ fn parse_url(url: Option<String>) -> PyResult<Option<rust_inline::Url>> {
 /// StylesheetCache(size=8)
 ///
 /// An LRU Cache for external stylesheets.
-#[pyclass]
+#[pyclass(from_py_object)]
 #[derive(Clone)]
 struct StylesheetCache {
     size: NonZeroUsize,