Use 1-based cell indices consistently for Notebooks

astral-sh · Sep 26, 2023 · 404b53e · 404b53e
1 parent 93b5d8a
commit 404b53e
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/crates/ruff_cli/src/diagnostics.rs b/crates/ruff_cli/src/diagnostics.rs
@@ -254,10 +254,9 @@ pub(crate) fn lint_path(
                                 // mutated it.
                                 let src_notebook = source_kind.as_ipy_notebook().unwrap();
                                 let mut stdout = io::stdout().lock();
-                                for ((idx, src_cell), dest_cell) in src_notebook
-                                    .cells()
-                                    .iter()
-                                    .enumerate()
+                                // Cell indices are 1-based.
+                                for ((idx, src_cell), dest_cell) in (1u32..)
+                                    .zip(src_notebook.cells().iter())
                                     .zip(dest_notebook.cells().iter())
                                 {
                                     let (Cell::Code(src_code_cell), Cell::Code(dest_code_cell)) =