Do not interrupt if there are no affected cells

Author: DonJayamanne

src/vs/workbench/contrib/notebook/browser/services/notebookExecutionStateServiceImpl.ts

@@ -306,8 +306,10 @@ class NotebookExecutionListeners extends Disposable {
 			if (kernel) {
 				const implementsInterrupt = kernel.implementsInterrupt;
 				const handlesToCancel = implementsInterrupt ? [...executingDeletedHandles] : [...executingDeletedHandles, ...pendingDeletedHandles];
-				this._logService.debug(`NotebookExecution#onWillAddRemoveCells, ${JSON.stringify([...handlesToCancel])}`);
-				kernel.cancelNotebookCellExecution(this._notebookModel.uri, handlesToCancel);
+				if (handlesToCancel.length) {
+					this._logService.debug(`NotebookExecution#onWillAddRemoveCells, ${JSON.stringify([...handlesToCancel])}`);
+					kernel.cancelNotebookCellExecution(this._notebookModel.uri, handlesToCancel);
+				}
 			}
 		}
 	}