Update google/cloud/spanner_v1/batch.py

Co-authored-by: Sri Harsha CH <[email protected]>
googleapis · Nov 29, 2023 · 7d57ac2 · 7d57ac2
1 parent 25e6999
commit 7d57ac2
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/google/cloud/spanner_v1/batch.py b/google/cloud/spanner_v1/batch.py
@@ -232,8 +232,9 @@ class MutationGroup(_BatchBase):
     :param mutations: The list into which mutations are to be accumulated.
     """
 
-    def __init__(self, session, mutations):
-        super(MutationGroup, self).__init__(session, mutations)
+    def __init__(self, session, mutations=[]):
+        super(MutationGroup, self).__init__(session)
+        self._mutations = mutations
 
 
 class MutationGroups(_SessionWrapper):