Programmers, including myself, make cosmetic changes in code all the time, such as adding or deleting white spaces or blank lines, or re-wrapping lines, or adding { } to single-line if statements. That is usually fine. However, when making changes in other people’s code and sending pull requests on Github, I suggest you refrain from introducing cosmetic changes. There are two reasons:
Such changes require unnecessary attention of the pull request reviewer. If you don’t know if the reviewer is busy or not, always assume he/she is …