From bb82020594c02b6115f343c87c3064d32fa3acd9 Mon Sep 17 00:00:00 2001
From: Edoardo Abati <29585319+EdAbati@users.noreply.github.com>
Date: Tue, 3 Dec 2024 18:34:47 +0100
Subject: [PATCH] add implementation to expr

---
 narwhals/_spark_like/expr.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/narwhals/_spark_like/expr.py b/narwhals/_spark_like/expr.py
index fa651d7b5..da3f7bc6d 100644
--- a/narwhals/_spark_like/expr.py
+++ b/narwhals/_spark_like/expr.py
@@ -7,6 +7,7 @@
 
 from narwhals._spark_like.utils import get_column_name
 from narwhals._spark_like.utils import maybe_evaluate
+from narwhals.utils import Implementation
 from narwhals.utils import parse_version
 
 if TYPE_CHECKING:
@@ -19,6 +20,8 @@
 
 
 class SparkExpr:
+    _implementation = Implementation.PYSPARK
+
     def __init__(
         self,
         call: Callable[[SparkLazyFrame], list[Column]],