Update index.js

index.js

@@ -169,7 +169,7 @@ app.post('/api/upscaler', async (req, res) => {
           //res.setHeader('Content-Type', 'image/jpg')
           res.send(response)
         } else if (images && typeof images == 'string' && isBase64(images)) {
-	   	  const response = await processImage(Buffer.from(images, "base64"), denoise, scale, type, type)
+	   	  const response = await processImage(Buffer.from(images, "base64"), denoise, scale, format, type)
           //res.setHeader('Content-Type', 'image/jpg')
           res.send(response)
         } else {