Update app.py

app.py

@@ -105,8 +105,10 @@ with gr.Blocks(title=title, theme=gr.themes.Monochrome()) as app:
     context = gr.Number(
         minimum=1, value=default_context, label="Desired Context Size (Tokens)"
     )
-    quant = gr.Textbox(
+    quant = gr.Dropdown(
+        choices=list(quants.keys()),
         value=default_quant,
+        allow_custom_value=True,
         label="Enter GGUF Quant (e.g. Q4_K_S) or the specific BPW for other quantization schemes such as exl2 (e.g. 4.5)",
     )
     btn = gr.Button(value="Submit", variant="primary")