Merge remote-tracking branch 'origin/123-check-that-methods-of-table-…

…can-handle-an-empty-table' into 123-check-that-methods-of-table-can-handle-an-empty-table

src/safeds/data/tabular/containers/_table.py

@@ -1089,7 +1089,7 @@ def slice_rows(
     def sort_columns(
         self,
         comparator: Callable[[Column, Column], int] = lambda col1, col2: (col1.name > col2.name)
-                                                                         - (col1.name < col2.name),
+        - (col1.name < col2.name),
     ) -> Table:
         """
         Sort the columns of a `Table` with the given comparator and return a new `Table`.