Why should code in a REPL be indented correctly? What if you copy from your own terminal (which may only support spaces) to your codebase, which may be in tabs?

Why should code in a REPL be indented correctly? What if you copy from your own terminal (which may only support spaces) to your codebase, which may be in tabs? It doesn't make sense for a language exclaiming the principle of we're all adults here to not allow you to schedule irrelevant formatting fixes yourself.