Update app.py

app.py

@@ -151,7 +151,7 @@ if st.session_state.read_file:
             except GraphRecursionError:
                 message = ('Não consegui responder a sua pergunta. 😥 Poderia me perguntar outra coisa?'
                             if st.session_state.language.startswith("pt") 
-                            else 'I can't answer your question. 😥 Can u ask me other question?'
+                            else "I can't answer your question. 😥 Can u ask me other question?"
                 full_response = ''
                 for letter in message:
                     full_response += letter