Remove unnecessary r-prefix from docstring in 'columns' method (#12768)

(cherry picked from commit 52e80cd05d4b94a4b88d85316127f7ea71220152)

diff --git a/lib/sqlalchemy/engine/result.py b/lib/sqlalchemy/engine/result.py
index b84fb3d1cb5e45ffe789b603a6caf5292a3a1bfc..c54a965c086b0985eb25b8ccc1baa71bc05a8ff9 100644 (file)
--- a/lib/sqlalchemy/engine/result.py
+++ b/lib/sqlalchemy/engine/result.py
@@ -2013,7 +2013,7 @@ class MappingResult(_WithKeys, FilterResult[RowMapping]):
         return self
 
     def columns(self, *col_expressions: _KeyIndexType) -> Self:
-        r"""Establish the columns that should be returned in each row."""
+        """Establish the columns that should be returned in each row."""
         return self._column_slices(col_expressions)
 
     def partitions(