Added a comment

2023-09-11 21:55:30 +00:00 · 2023-09-11 21:55:30 +00:00 · eacb730961
commit eacb730961
parent 844cf4b2de
1 changed files with 1 additions and 0 deletions
--- a/renamebycsv/renamer.py
+++ b/renamebycsv/renamer.py
@ -64,6 +64,7 @@ def rename_by_csv(
                row[current_col_ind] in replacement_dict
                and replacement_dict[row[current_col_ind]] != row[become_col_ind]
            ):
+                # Check if there's a duplicate key for different values.
                raise Exception("Duplicate current key.")
            replacement_dict[row[current_col_ind]] = row[become_col_ind]
    for subitem_path, subitem, match in candidates: