Update app.py

app.py

@@ -101,7 +101,7 @@ def process_files_fixed(image_path, page_identifier, error_pages):
     """
 
     payload = {
-        "model": "gpt-4-turbo",
+        "model": "gpt-4-vision-preview",
         "messages": [
             {
                 "role": "user",
@@ -111,7 +111,7 @@ def process_files_fixed(image_path, page_identifier, error_pages):
                         "text": prompt
                     },
                     {
-                        "type": "image",
+                        "type": "image_url",
                         "image_url": f"data:image/jpeg;base64,{base64_image}"
                     }
                 ]