Update app.py

app.py

@@ -45,22 +45,22 @@ def chatbot_response(chat_history, language):
     global retriever
     global last_answer
 
-    if(len(chat_history) > 0):
-        chat_history[-1][1] = ""
+    
+    chat_history[-1][1] = ""
 
 
-        if language == 'pt-br':
-          response = get_answers(retriever, GoogleTranslator(source='pt', target='en').translate(chat_history[0][0]))
-          response = GoogleTranslator(source='en', target='pt').translate(response)
-        else:
-          response = get_answers(retriever, chat_history[0][0])
+    if language == 'pt-br':
+        response = get_answers(retriever, GoogleTranslator(source='pt', target='en').translate(chat_history[0][0]))
+        response = GoogleTranslator(source='en', target='pt').translate(response)
+    else:
+        response = get_answers(retriever, chat_history[0][0])
        
-        last_answer = response
+    last_answer = response
     
-        for character in response:
-          chat_history[-1][1] += character
-          time.sleep(0.01)
-          yield chat_history
+    for character in response:
+        chat_history[-1][1] += character
+        time.sleep(0.01)
+        yield chat_history