docs: Fix initial selector example

pola-rs · Feb 18, 2025 · 6c065cc · 6c065cc
1 parent eae47a4
commit 6c065cc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/py-polars/docs/source/reference/selectors.rst b/py-polars/docs/source/reference/selectors.rst
@@ -28,7 +28,7 @@ Importing
               "z": ["a", "b", "a", "b", "b"],
           },
       )
-      df.group_by(by=cs.string()).agg(cs.numeric().sum())
+      df.group_by(cs.string()).agg(cs.numeric().sum())
 
 Set operations
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