... except that, as far as any of us can tell from the code, it prints to standard output (line buffered by default) and includes a newline. Even if all of the variables in that line are empty, this will still print at least 4654 characters, which is larger than most default standard output buffers I've seen in use (and the user is seeing at least some output).
Unless there's an IO layer somewhere with a very weird buffering behavior, I see no possible way this could have anything to do with buffering. print calls to STDOUT attached to a terminal and including a newline almost never have buffering problems.
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