--- a/src/diffusers/utils/import_utils.py
+++ b/src/diffusers/utils/import_utils.py
@@ -97,6 +97,11 @@
 if USE_TORCH in ENV_VARS_TRUE_AND_AUTO_VALUES and USE_TF not in ENV_VARS_TRUE_VALUES:
     _torch_available, _torch_version = _is_package_available("torch")
 
+    # Gentoo slotted pytorch: importlib.metadata may not find version
+    if _torch_available and _torch_version is None:
+        import torch
+        _torch_version = torch.__version__
+
 else:
     logger.info("Disabling PyTorch because USE_TORCH is set")
     _torch_available = False