Update app.py

app.py

@@ -114,7 +114,7 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue="blue")) as app:
 
     with gr.Row():
         with gr.Column():
-            top_city = gr.Dropdown(choices=gulf_cities, label="Top Gulf Cities", value=None)
+            top_city = gr.Dropdown(choices=gulf_cities, label="Top Gulf Cities", value=None,allow_custom_value=True )
             custom_city = gr.Textbox(label="Or enter a city not listed")
         with gr.Column():
             query = gr.Textbox(label="Ask a Weather Question (GPT)", placeholder="e.g., Is it hot in Muscat?")