Update app.py

app.py

@@ -26,14 +26,17 @@ def predict(text,
             max_length_tokens,
             max_context_length_tokens,):
     if text=="":
-        return history,history,"Empty Context"
+        yield chatbot,history,"Empty Context"
+        return 
     try:
         model
     except:
-        return [[text,"No Model Found"]],[],"No Model Found"
+        yield [[text,"No Model Found"]],[],"No Model Found"
+        return
     inputs = generate_prompt_with_history(text,history,tokenizer,max_length=max_context_length_tokens)
     if inputs is False:
-        return [[x[0],convert_to_markdown(x[1])] for x in history]+[[text,"Sorry, the input is too long."]],history,"Generate Fail"
+        yield chatbot+[[text,"Sorry, the input is too long."]],history,"Generate Fail"
+        return
     else:
         prompt,inputs=inputs
         begin_length = len(prompt)