utf encoding

app.py

@@ -3,7 +3,9 @@ from main import chat, index_url
 
 """Use text to call chat method from main.py"""
 def add_text(history, text):
-    response = str(chat(question=text))
+    response = chat(question=text)
+    response = response.encode("utf-8", "ignore").decode("utf-8")
+    print(response)
     history = history + [(text, response)]
     return history, ""