diff --git a/py-denormalized/src/lib.rs b/py-denormalized/src/lib.rs
index ddb4734..2a00178 100644
--- a/py-denormalized/src/lib.rs
+++ b/py-denormalized/src/lib.rs
@@ -11,7 +11,7 @@ pub mod utils;
 pub(crate) struct TokioRuntime(tokio::runtime::Runtime);
 
 /// A Python module implemented in Rust.
-#[pymodule(name="_internal")]
+#[pymodule(name = "_internal")]
 fn _py_denormalized_internal(py: Python, m: Bound<'_, PyModule>) -> PyResult<()> {
     m.add_class::<datastream::PyDataStream>()?;
     m.add_class::<context::PyContext>()?;