There seems to be no newline when returning JSON format

Hey, Can you elaborate on the issue?
Hey, I am very new to open source and want to learn how to contribute.
Welcome to the nebulagraph community!
Feel free to take this task and as questions on it when needed :)
Would changing line 61 here from
std::string body = returnJson_ ? folly::toPrettyJson(vals) : toStr(vals);
to
std::string body = returnJson_ ? std::strcat(folly::toPrettyJson(vals), "\n") : toStr(vals);
help in solving this?
Hi, I’m Egor from OSS Revival. We specialize in revitalizing and maintaining open-source projects for long-term stability. I’ll work on this issue, ensuring it stays aligned with the project’s original vision.
Hello maintainers, I'm interested in working on this issue. Is there anything specific I should consider before getting started?