Update app.py

app.py

@@ -8,6 +8,7 @@ def add_model_to_list(new_model):
     if new_model and new_model not in model_list:
         model_list.append(new_model)
     return model_list
+    allow_custom_value=True
 
 def create_config(model_name, num_labels, use_cache):
     if model_name not in model_list:
@@ -18,7 +19,7 @@ def create_config(model_name, num_labels, use_cache):
 with gr.Blocks() as demo:
     gr.Markdown("## Config Class - Transformers")
     with gr.Row():
-        model_dropdown = gr.Dropdown(label="Select a Model", choices=model_list, value=model_list[0])
+        model_dropdown = gr.Dropdown(label="Select a Model", choices=model_list, value=model_list[0],   allow_custom_value=True)
         new_model_input = gr.Textbox(label="Add a New Model", placeholder="Enter model name")
         add_model_button = gr.Button("Add Model")
     num_labels_input = gr.Number(label="Number of Labels", value=2)