[Bug] CliError: no found input "pipeline.py"

### Full command options and console output
/usr/local/bin/pyarmor -d gen pipeline.py

2024-10-03 13:19:33,624 Python 3.10.8
2024-10-03 13:19:33,624 Pyarmor 8.5.11 (trial), 000000, non-profits
2024-10-03 13:19:33,625 Platform linux.x86_64
2024-10-03 13:19:33,625 native platform linux.x86_64
2024-10-03 13:19:33,625 home path: /root/.pyarmor
2024-10-03 13:19:33,625 command options: {'no_runtime': False, 'inputs': ['pipeline.py']}
2024-10-03 13:19:33,625 install plugin: CodesignPlugin
2024-10-03 13:19:33,625 install plugin: DarwinUniversalPlugin
2024-10-03 13:19:33,625 no found input "pipeline.py"
2024-10-03 13:19:33,625 generate bug file "pyarmor.report.bug"


### Traceback
Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/pyarmor/cli/__main__.py", line 752, in main
    main_entry(sys.argv[1:])
  File "/usr/local/lib/python3.10/site-packages/pyarmor/cli/__main__.py", line 740, in main_entry
    return args.func(ctx, args)
  File "/usr/local/lib/python3.10/site-packages/pyarmor/cli/__main__.py", line 244, in cmd_gen
    builder.process(options)
  File "/usr/local/lib/python3.10/site-packages/pyarmor/cli/generate.py", line 165, in process
    raise CliError('no found input "%s"' % opt)
pyarmor.cli.CliError: no found input "pipeline.py"