Update app.py

app.py

@@ -50,7 +50,11 @@ for model in available_models:
 
 @spaces.GPU(duration=45)
 def run_inference(message, history, model_picked):
+    if model_picked == None:
+        model_picked = default_bpw
+        
     local_dir = dirs[model_picked]
+    
     print(message)
     print(history)
     # Loading only once GPU available