Update app.py

app.py

@@ -190,9 +190,9 @@ def generate_item(user_input, ideas, generate_video=False, max_retries=3):
 
             try:
                 start_time = time.time()
-                imagen = client.models.generate_content(
+                imagen = client.models.generate_images(
                     model='imagen-3.0-generate-002',
-                    contents=[image_prompt],
+                    prompt=image_prompt,
                     config=types.GenerateImagesConfig(
                         aspect_ratio="9:16",
                         number_of_images=1