Method _replace

traitlets/config/loader.py:935–943

(arg: str)

                    unpacked_aliases["--" + al] = "--" + alias_target

        def _replace(arg: str) -> str:
            if arg == "-":
                return _DASH_REPLACEMENT
            for k, v in unpacked_aliases.items():
                if arg == k:
                    return v
                if arg.startswith(k + "="):
                    return v + "=" + arg[len(k) + 1 :]
            return arg

        if "--" in uargs:
            idx = uargs.index("--")