fix doc building issues

crates/polars-core/src/chunked_array/temporal/mod.rs

@@ -64,7 +64,7 @@ pub fn parse_time_zone(tz: &str) -> PolarsResult<Tz> {
 ///
 /// E.g. +01:00 -> Etc/GMT-1
 ///
-/// Note: the sign appears reversed, but is correct, see https://en.wikipedia.org/wiki/Tz_database#Area:
+/// Note: the sign appears reversed, but is correct, see <https://en.wikipedia.org/wiki/Tz_database#Area>:
 /// > In order to conform with the POSIX style, those zone names beginning with
 /// > "Etc/GMT" have their sign reversed from the standard ISO 8601 convention.
 /// > In the "Etc" area, zones west of GMT have a positive sign and those east

crates/polars-core/src/frame/horizontal.rs

@@ -29,21 +29,21 @@ impl DataFrame {
     ///
     /// # Safety
     /// The caller must ensure:
-    /// - the length of all [`Series`] is equal to the height of this [`DataFrame`]
+    /// - the length of all [`Column`] is equal to the height of this [`DataFrame`]
     /// - the columns names are unique
     pub unsafe fn hstack_mut_unchecked(&mut self, columns: &[Column]) -> &mut Self {
         self.columns.extend_from_slice(columns);
         self
     }
 
-    /// Add multiple [`Series`] to a [`DataFrame`].
+    /// Add multiple [`Column`] to a [`DataFrame`].
     /// The added `Series` are required to have the same length.
     ///
     /// # Example
     ///
     /// ```rust
     /// # use polars_core::prelude::*;
-    /// fn stack(df: &mut DataFrame, columns: &[Series]) {
+    /// fn stack(df: &mut DataFrame, columns: &[Column]) {
     ///     df.hstack_mut(columns);
     /// }
     /// ```

crates/polars-plan/src/dsl/expr_dyn_fn.rs

@@ -68,6 +68,8 @@ impl<'a> Deserialize<'a> for SpecialEq<Arc<dyn ColumnsUdf>> {
         }
         #[cfg(not(feature = "python"))]
         {
+            _ = deserializer;
+
             Err(D::Error::custom(
                 "deserialization not supported for this 'opaque' function",
             ))
@@ -394,6 +396,8 @@ impl<'a> Deserialize<'a> for GetOutput {
         }
         #[cfg(not(feature = "python"))]
         {
+            _ = deserializer;
+
             Err(D::Error::custom(
                 "deserialization not supported for this output field",
             ))

crates/polars-schema/Cargo.toml

@@ -19,4 +19,4 @@ version_check = { workspace = true }
 
 [features]
 nightly = []
-serde = ["dep:serde", "serde/derive"]
+serde = [ "dep:serde", "serde/derive", "polars-utils/serde" ]