Update plugins/nnbana.js

plugins/nnbana.js

@@ -129,7 +129,7 @@ async function createGrid(imageUrls) {
 
   const cellSize = Math.floor(targetSize / cols);
   const gridHeight = cellSize * rows;
-  const grid = new Jimp(targetSize, gridHeight, 0xFFFFFFFF);
+  const grid = await Jimp.create(targetSize, gridHeight, 0xFFFFFFFF);
 
   for (let i = 0; i < count && i < 4; i++) {
     const col = i % cols;