TypeError: unsupported operand type(s) for +: 'NoneType' and 'list'

[slain01]

Hello,I tried to decompile luajit, but the following error occurred： Traceback (most recent call last): File "main.py", line 468, in retval = main_obj.main() File "main.py", line 299, in main ast = self.decompile(self.options.file_name) File "main.py", line 403, in decompile ljd.ast.unwarper.unwarp(ast, False) File "C:\Users\xxx\Desktop\ljd-2021_revision\ljd\ast\unwarper.py", line 51, in unwarp _run_step(_fix_loops, node, repeat_until=False) File "C:\Users\xxx\Desktop\ljd-2021_revision\ljd\ast\unwarper.py", line 137, in _run_step statements.contents = step(statements.contents, **kargs) File "C:\Users\xxx\Desktop\ljd-2021_revision\ljd\ast\unwarper.py", line 1794, in _fix_loops blocks = _handle_single_loop(start, end, blocks, repeat_until) File "C:\Users\xxx\Desktop\ljd-2021_revision\ljd\ast\unwarper.py", line 1870, in _handle_single_loop loop = _unwarp_loop(start, end, body) File "C:\Users\xxx\Desktop\ljd-2021_revision\ljd\ast\unwarper.py", line 2070, in _unwarp_loop expression = expr_body + body[:i] TypeError: unsupported operand type(s) for +: 'NoneType' and 'list'

[Aussiemon]

If you're still interested, please upload the failing file.