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

diff --git a/lib/sqlalchemy/engine/result.py b/lib/sqlalchemy/engine/result.py
index 49b4b97dd77573630b6a17aa003235287cba1aa7..7c72f288f6b517f407775c768442d7de6bb12165 100644 (file)
--- a/lib/sqlalchemy/engine/result.py
+++ b/lib/sqlalchemy/engine/result.py
@@ -2025,7 +2025,7 @@ 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(