fix

app.py

@@ -155,7 +155,7 @@ with gr.Blocks(theme=gr.themes.Ocean()) as app:
                     choices=["int4_weight_only", "int8_weight_only", "int8_dynamic_activation_int8_weight"],
                     value="int8_weight_only"
                 )
-                group_size = gr.Number(
+                group_size = gr.Textbox(
                     label="Group Size (only for int4_weight_only)",
                     value=128,
                     interactive=True
@@ -217,7 +217,7 @@ with gr.Blocks(theme=gr.themes.Ocean()) as app:
     
     quantize_button.click(
         fn=quantize_and_save,
-        inputs=[model_name, quantization_type, group_size, quantized_model_name],
+        inputs=[model_name, quantization_type, int(group_size), quantized_model_name],
         outputs=[output_link]
     )