Restore DILL_AVAILABLE for backwards compat with torchdata (#122616)

ezyang · pytorchmergebot · commit f42818321b56 · 2024-03-26T02:18:51.000Z
Signed-off-by: Edward Z. Yang <ezyang@meta.com> Pull Request resolved: #122616 Approved by: https://github.com/peterbell10
diff --git a/torch/utils/data/datapipes/utils/common.py b/torch/utils/data/datapipes/utils/common.py
@@ -20,6 +20,10 @@
 ]
 
 
+# BC for torchdata
+DILL_AVAILABLE = dill_available()
+
+
 def validate_input_col(fn: Callable, input_col: Optional[Union[int, tuple, list]]):
     """
     Check that function used in a callable datapipe works with the input column.
