fix

check_app.py

@@ -21,6 +21,7 @@ import os
 from datetime import datetime
 MAX_SEED = np.iinfo(np.int32).max
 MAX_IMAGE_SIZE = 1024
+gallery : gr.Gallery = None
 
 class ProgressPipeline(DiffusionPipeline):
     def __init__(self, original_pipeline):
@@ -198,7 +199,6 @@ def create_pipeline_logic(prompt_text, model_name, negative_prompt="",  seed=42,
         model_name,pipe, prompt_text, num_steps=num_inference_steps, guidance_scale=guidance_scale, seed=seed,negative_prompt = negative_prompt,  randomize_seed = randomize_seed, width = width, height = height, progress=progress
     )
     return f"Seed: {gen_seed}", image
-
 def main():
     with gr.Blocks() as app:
         gr.Markdown("# Dynamic Multiple Model Image Generation")
@@ -253,8 +253,9 @@ def main():
                     step=1,
                     value=40,
                 )
-        gallery : gr.Gallery = None
+        
         for model_name, config in MODEL_CONFIGS.items():
+            global gallery
             with gr.Tab(model_name):
                 button = gr.Button(f"Run {model_name}")
                 output = gr.Textbox(label="Status")
@@ -267,7 +268,7 @@ def main():
             height,
             guidance_scale,
             num_inference_steps], outputs=[output, img, gallery])
-
+           
             gallery = gr.Gallery(
             label="Image Gallery",
             show_label=True,