update python test

Author: wkalt

python/python/tests/test_scalar_index.py

@@ -412,14 +412,14 @@ def make_fts_search(ds):
     assert "ScalarIndexQuery" in plan
     assert "MaterializeIndex" not in plan
     assert "KNNVectorDistance" in plan
-    assert "LanceScan" in plan
+    assert "LanceRead" in plan
     assert make_vec_search(ds).to_table().num_rows == 12
 
     plan = make_fts_search(ds).explain_plan()
     assert "ScalarIndexQuery" in plan
     assert "MaterializeIndex" not in plan
     assert "FlatMatchQuery" in plan
-    assert "LanceScan" in plan
+    assert "LanceRead" in plan
     assert make_fts_search(ds).to_table().num_rows == 12
 
     # Update vector index but NOT scalar index