Update models.py

https://cookbook.openai.com/examples/generate_images_with_gpt_image

models.py

@@ -156,18 +156,12 @@ def generate_remixed_image(
             model="gpt-image-1",
             prompt=final_prompt,
             size="1024x1024",
-            quality="medium",           # valid: low | medium | high | auto
-            response_format="url",      # return URLs, so the next lines keep working
-            n=1
+            quality="medium",  # valid: low | medium | high | auto
+            n=1,
         )
-        
-        # Get the URL and download the image
-        image_url = dalle_response.data[0].url
-        
-        image_data = requests.get(image_url).content
-        
-        remixed_image = Image.open(BytesIO(image_data))
-        
+        b64 = dalle_response.data[0].b64_json
+        img_bytes = base64.b64decode(b64)
+        remixed_image = Image.open(BytesIO(img_bytes)).convert("RGB")
         return final_prompt, remixed_image
         
     except Exception as e: