Update app.py

app.py

@@ -40,7 +40,7 @@ def post_request_alpha(payload):
     return response.json()
 
 
-def predict_beta(message, chatbot, temperature=0.9, max_new_tokens=256, top_p=0.6, repetition_penalty=1.0):
+def predict_beta(message, chatbot=[], temperature=0.9, max_new_tokens=256, top_p=0.6, repetition_penalty=1.0):
     temperature = float(temperature)
     top_p = float(top_p)
 
@@ -81,7 +81,7 @@ def predict_beta(message, chatbot, temperature=0.9, max_new_tokens=256, top_p=0.
         raise gr.Error(error_msg)
 
 
-def predict_alpha(message, chatbot, temperature=0.9, max_new_tokens=256, top_p=0.6, repetition_penalty=1.0):
+def predict_alpha(message, chatbot=[], temperature=0.9, max_new_tokens=256, top_p=0.6, repetition_penalty=1.0):
     temperature = float(temperature)
     top_p = float(top_p)