If you never run the code and then revisit the tool (for example, create a new Python scraper, don't click Run, but do reload the page), the you get a little error message in the console at the bottom:
tail: cannot open 'logs/out' for reading: No such file or directory
If you never run the code and then revisit the tool (for example, create a new Python scraper, don't click Run, but do reload the page), the you get a little error message in the console at the bottom: