Update app.py

app.py

@@ -169,8 +169,7 @@ You should use {formatted_words} to trigger the image generation.
     for index, (prompt, negative_prompt, image) in enumerate(zip(downloaded_files["imagePrompt"], downloaded_files["imageNegativePrompt"], downloaded_files["imageName"])):
         escaped_prompt = prompt.replace("'", "''")
         widget_content += f"""- text: '{escaped_prompt if escaped_prompt else ' ' }'
-  parameters:
-      negative_prompt: '{negative_prompt}'
+  {'parameters:\n      negative_prompt: ' + "'" + negative_prompt + "'" if negative_prompt else ''}
   output:
     url: >-
       {image}