From a8fb9a2159a0072280e53b9f5726f8d36b7793ba Mon Sep 17 00:00:00 2001
From: Alessandro Miola <37796412+AlessandroMiola@users.noreply.github.com>
Date: Mon, 9 Dec 2024 11:02:42 +0100
Subject: [PATCH] chore: avoid unnecessary branching on pl version in pln.mean
 (#1543)

---
 narwhals/_polars/namespace.py | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/narwhals/_polars/namespace.py b/narwhals/_polars/namespace.py
index 2363e2895..7903de15b 100644
--- a/narwhals/_polars/namespace.py
+++ b/narwhals/_polars/namespace.py
@@ -132,14 +132,8 @@ def mean(self: Self, *column_names: str) -> PolarsExpr:
 
         from narwhals._polars.expr import PolarsExpr
 
-        if self._backend_version < (0, 20, 4):
-            return PolarsExpr(
-                pl.mean([*column_names]),  # type: ignore[arg-type]
-                version=self._version,
-                backend_version=self._backend_version,
-            )
         return PolarsExpr(
-            pl.mean(*column_names),
+            pl.mean([*column_names]),  # type: ignore[arg-type]
             version=self._version,
             backend_version=self._backend_version,
         )