load_checkpoint_guess_config_clip_only() calls load_checkpoint_guess_config() with output_model=False, leaving out[0] as None. The subsequent unconditional assignment of cached_patcher_init crashed with AttributeError, breaking CLIP-only checkpoint loading entirely. Guard the assignment with a None check.
Amp-Thread-ID: https://ampcode.com/threads/T-019e43b8-8258-70fd-ab3a-53e4c97f85d5
Co-authored-by: Amp <amp@ampcode.com>