[Bug]: Extras tab -> GFPGAN -> ValueError: max() arg is an empty sequence -> process does not start

[BorowikWlodek]

Checklist

• The issue exists after disabling all extensions
• The issue exists on a clean installation of webui
• The issue is caused by an extension, but I believe it is caused by a bug in the webui
• The issue exists in the current version of the webui
• The issue has not been reported before recently
• The issue has been reported before but has not been fixed yet

What happened?

When trying to use GFPGAN, it displays ValueError: max() arg is an empty sequence in the WEBUI and a number of errors in the console.

The problem occurs with both fresh AUTOMATIC1111 and personalized by extensions.

Steps to reproduce the problem

Extras tab -> Single Image-> GFPGAN -> Choose value -> Generate

What should have happened?

Upscale a image

What browsers do you use to access the UI ?

Google Chrome

Sysinfo

RTX 4070ti

Console logs

*** Error completing request
*** Arguments: ('task(xqrd3p3m78grsz1)', 0, <PIL.Image.Image image mode=RGB size=600x896 at 0x1E00852BEB0>, None, '', '', True, 1, 4, 512, 512, True, 'Lanczos', 'None', 0.213, True, 1, False, 1, 0, False, 0.9, 0.15, 0.5, False, False, 384, 768, 4096, 409600, 'Maximize area', 0.1, False, ['Deepbooru'], False, ['Horizontal'], False, 0.5, 0.2) {}
    Traceback (most recent call last):
      File "C:\Users\Administrator\Desktop\stable-diffusion-webui\modules\call_queue.py", line 57, in f
        res = list(func(*args, **kwargs))
      File "C:\Users\Administrator\Desktop\stable-diffusion-webui\modules\call_queue.py", line 36, in f
        res = func(*args, **kwargs)
      File "C:\Users\Administrator\Desktop\stable-diffusion-webui\modules\postprocessing.py", line 132, in run_postprocessing_webui
        return run_postprocessing(*args, **kwargs)
      File "C:\Users\Administrator\Desktop\stable-diffusion-webui\modules\postprocessing.py", line 73, in run_postprocessing
        scripts.scripts_postproc.run(initial_pp, args)
      File "C:\Users\Administrator\Desktop\stable-diffusion-webui\modules\scripts_postprocessing.py", line 196, in run
        script.process(single_image, **process_args)
      File "C:\Users\Administrator\Desktop\stable-diffusion-webui\scripts\postprocessing_gfpgan.py", line 25, in process
        restored_img = gfpgan_model.gfpgan_fix_faces(np.array(pp.image, dtype=np.uint8))
      File "C:\Users\Administrator\Desktop\stable-diffusion-webui\modules\gfpgan_model.py", line 60, in gfpgan_fix_faces
        model = gfpgann()
      File "C:\Users\Administrator\Desktop\stable-diffusion-webui\modules\gfpgan_model.py", line 38, in gfpgann
        latest_file = max(gfp_models, key=os.path.getctime)
    ValueError: max() arg is an empty sequence

Additional information

No response

[sovkil]

I have the same error, I don’t understand what can fix it

[missionfloyd]

It's not downloading GFPGANv1.4.pth. Seems to be caused by #13718.

You can download it manually and put it in models/GFPGAN
https://github.com/TencentARC/GFPGAN/releases/download/v1.3.0/GFPGANv1.4.pth

[BorowikWlodek]

Ok, its work fine right now. Thank you for help.

[Serjio7777]

Thank you for help.