custom path option errors

[kj-9]

ocrvid run data/videos/i0o52_x_oFU/video.mp4 -o data/videos/i0o52_x_oFU/video.json
⚠️  ocrvid is already on your PATH and installed at /Users/kh03/.pyenv/shims/ocrvid. Downloading and running anyway.
Traceback (most recent call last):
  File "/Users/kh03/.local/pipx/.cache/025c4983c76e437/bin/ocrvid", line 8, in <module>
    sys.exit(cli())
             ^^^^^
  File "/Users/kh03/.local/pipx/.cache/025c4983c76e437/lib/python3.12/site-packages/click/core.py", line 1157, in __call__
    return self.main(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/kh03/.local/pipx/.cache/025c4983c76e437/lib/python3.12/site-packages/click/core.py", line 1078, in main
    rv = self.invoke(ctx)
         ^^^^^^^^^^^^^^^^
  File "/Users/kh03/.local/pipx/.cache/025c4983c76e437/lib/python3.12/site-packages/click/core.py", line 1688, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/kh03/.local/pipx/.cache/025c4983c76e437/lib/python3.12/site-packages/click/core.py", line 1434, in invoke
    return ctx.invoke(self.callback, **ctx.params)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/kh03/.local/pipx/.cache/025c4983c76e437/lib/python3.12/site-packages/click/core.py", line 783, in invoke
    return __callback(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/Users/kh03/.local/pipx/.cache/025c4983c76e437/lib/python3.12/site-packages/ocrvid/cli.py", line 56, in run_ocr
    frames_dir = Path.cwd() / ".ocrvid/frames" / output_file.stem
                                                 ^^^^^^^^^^^
UnboundLocalError: cannot access local variable 'output_file' where it is not associated with a value