diff --git a/Cargo.toml b/Cargo.toml
index c68c0f5..e508e12 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,11 +8,11 @@ members = [
 ]
 
 [workspace.dependencies]
-#polars = { git = "https://github.com/pola-rs/polars", rev = "5d48cc800bc9c71fe6d4ff97b96d7fed4601793b", version = "0.33.2", default-features = false }
-#polars-core = { git = "https://github.com/pola-rs/polars", rev = "5d48cc800bc9c71fe6d4ff97b96d7fed4601793b", version = "0.33.2", default-features = false }
-#polars-ffi = { git = "https://github.com/pola-rs/polars", rev = "5d48cc800bc9c71fe6d4ff97b96d7fed4601793b", version = "0.33.2", default-features = false }
-#polars-plan = { git = "https://github.com/pola-rs/polars", rev = "5d48cc800bc9c71fe6d4ff97b96d7fed4601793b", version = "0.33.2", default-feautres = false }
-#polars-lazy = { git = "https://github.com/pola-rs/polars", rev = "5d48cc800bc9c71fe6d4ff97b96d7fed4601793b", version = "0.33.2", default-features = false }
+# polars = { git = "https://github.com/pola-rs/polars", rev = "5d48cc800bc9c71fe6d4ff97b96d7fed4601793b", version = "0.33.2", default-features = false }
+# polars-core = { git = "https://github.com/pola-rs/polars", rev = "5d48cc800bc9c71fe6d4ff97b96d7fed4601793b", version = "0.33.2", default-features = false }
+# polars-ffi = { git = "https://github.com/pola-rs/polars", rev = "5d48cc800bc9c71fe6d4ff97b96d7fed4601793b", version = "0.33.2", default-features = false }
+# polars-plan = { git = "https://github.com/pola-rs/polars", rev = "5d48cc800bc9c71fe6d4ff97b96d7fed4601793b", version = "0.33.2", default-feautres = false }
+# polars-lazy = { git = "https://github.com/pola-rs/polars", rev = "5d48cc800bc9c71fe6d4ff97b96d7fed4601793b", version = "0.33.2", default-features = false }
 
 polars = { path = "../polars/crates/polars", version = "0.33.2", default-features = false }
 polars-core = { path = "../polars/crates/polars-core", version = "0.33.2", default-features = false }
diff --git a/example/derive_expression/expression_lib/src/expressions.rs b/example/derive_expression/expression_lib/src/expressions.rs
index 4854ffe..ba03bf5 100644
--- a/example/derive_expression/expression_lib/src/expressions.rs
+++ b/example/derive_expression/expression_lib/src/expressions.rs
@@ -96,11 +96,10 @@ fn is_leap_year(input: &[Series], _kwargs: Option<DefaultKwargs>) -> PolarsResul
     let input = &input[0];
     let ca = input.date()?;
 
-    let out: BooleanChunked = ca.as_date_iter().map(|opt_dt| {
-        opt_dt.map(|dt| {
-            dt.leap_year()
-        })
-    }).collect_ca(ca.name());
+    let out: BooleanChunked = ca
+        .as_date_iter()
+        .map(|opt_dt| opt_dt.map(|dt| dt.leap_year()))
+        .collect_ca(ca.name());
 
     Ok(out.into_series())
 }