returned json format

app.py

@@ -191,7 +191,7 @@ def process_image_and_prompt(composite_pil, prompt):
         model = "gemini-2.0-flash-exp" # Specify the model here
 
         # 2. Call get_image_tags to get tags from the original image
-        tagging_prompt = "Analyze this image. Provide a JSON object containing a single key, 'tags', whose value is a JSON array of strings, representing relevant keywords or tags for the image content. Example: {"tags": ["apple", "fruit", "red"]}. Provide ONLY the JSON object and nothing else."
+        tagging_prompt = "Analyze this image. Provide a JSON object containing a single key, 'tags', whose value is a JSON array of strings, representing relevant keywords or tags for the image content. Example: {\"tags\": [\"apple\", \"fruit\", \"red\"]}. Provide ONLY the JSON object and nothing else."
         tag_json_string = get_image_tags(file_name, tagging_prompt, model=model)
 
         # 3. Call generate for the main image processing based on the user prompt