fix: correct Polars version check for pl.len function (#607)

narwhals-dev · Jul 24, 2024 · 13355b8 · 13355b8
1 parent 82fb963
commit 13355b8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/narwhals/_polars/namespace.py b/narwhals/_polars/namespace.py
@@ -55,7 +55,7 @@ def len(self) -> PolarsExpr:
         from narwhals._polars.expr import PolarsExpr
 
         pl = get_polars()
-        if self._backend_version < (0, 20, 4):  # pragma: no cover
+        if self._backend_version < (0, 20, 5):  # pragma: no cover
             return PolarsExpr(pl.count().alias("len"))
         return PolarsExpr(pl.len())