update

RealESRGANv030/interface.py

@@ -3,6 +3,25 @@ import numpy as np
 from PIL import Image
 import glob
 import os
+import sys
+import types
+
+# Compatibility shim for older basicsr expecting torchvision.transforms.functional_tensor
+# Newer torchvision versions removed the functional_tensor module. If it's missing,
+# create a minimal shim exposing rgb_to_grayscale that basicsr imports.
+try:
+    # If this import works, no action is needed
+    from torchvision.transforms.functional_tensor import rgb_to_grayscale as _tv_rgb_to_grayscale  # noqa: F401
+except Exception:
+    try:
+        from torchvision.transforms import functional as _tv_functional
+        _shim = types.ModuleType('torchvision.transforms.functional_tensor')
+        _shim.rgb_to_grayscale = _tv_functional.rgb_to_grayscale
+        sys.modules['torchvision.transforms.functional_tensor'] = _shim
+    except Exception:
+        # If even this fails, let downstream imports raise as before
+        pass
+
 from basicsr.archs.rrdbnet_arch import RRDBNet
 from basicsr.utils.download_util import load_file_from_url
 

requirements.txt

@@ -1,5 +1,5 @@
---extra-index-url https://download.pytorch.org/whl/cpu
-torch<1.13.0
+--extra-index-url https://download.pytorch.org/whl/cu126
+torch
 torchvision
 autocuda
 findfile