Update _utils.py

unsloth/models/_utils.py

@@ -1040,19 +1040,24 @@ pass
 
 
 def _unsloth_pre_compute_loss(self, model, inputs, *args, **kwargs):
+    num_items_in_batch = None
+
     if "num_items_in_batch" in kwargs:
-        if kwargs["num_items_in_batch"] is None:
+        num_items_in_batch = kwargs["num_items_in_batch"]
+        if num_items_in_batch is None:
             # Remove it since the model does not support it!
             kwargs.pop("num_items_in_batch")
         elif "num_items_in_batch" not in inputs:
-            inputs["num_items_in_batch"] = kwargs["num_items_in_batch"]
+            inputs["num_items_in_batch"] = num_items_in_batch
         pass
-    else:
+    pass
+
+    if num_items_in_batch is None:
         name = (model.base_model.model if hasattr(model, "base_model") else model).__class__.__name__
         logger.warning_once(
             f"Unsloth: Not an error, but {name} does not accept `num_items_in_batch`.\n"\
             "Using gradient accumulation will be very slightly less accurate.\n"\
-            "Read more on gradient accumulation issues on our blog post: https://unsloth.ai/blog/gradient"
+            "Read more on gradient accumulation issues here: https://unsloth.ai/blog/gradient"
         )
     pass
     return self._old_compute_loss(model, inputs, *args, **kwargs)