Update app.py

app.py

@@ -38,7 +38,7 @@ def selectModel(message):
     return c_model
 
 sandbox = gr.Interface.load(
-    selectModel,
+    fn = selectModel,
     name= custom_model,
     title="""AlStable sandbox""",
     prompt = gr.Textbox(label="Prompt", show_label=False, max_lines=2, placeholder="Enter your prompt~", elem_id="input-prompt"), 
@@ -47,6 +47,6 @@ sandbox = gr.Interface.load(
     api_key=API_KEY
 )
 
-custom_model=sandbox.selectModel(prompt)
+sandbox.custom_model=sandbox.selectModel(prompt)
 
 sandbox.queue(concurrency_count=20).launch()