Bump PT pin to 20241028 (#1419)

* Bump PT pin to 20241014

* Push bump to 1028 and add migration to export_for_training

install/install_requirements.sh

@@ -62,10 +62,10 @@ echo "Using pip executable: $PIP_EXECUTABLE"
 # NOTE: If a newly-fetched version of the executorch repo changes the value of
 # PYTORCH_NIGHTLY_VERSION, you should re-run this script to install the necessary
 # package versions.
-PYTORCH_NIGHTLY_VERSION=dev20241013
+PYTORCH_NIGHTLY_VERSION=dev20241028
 
 # Nightly version for torchvision
-VISION_NIGHTLY_VERSION=dev20241013
+VISION_NIGHTLY_VERSION=dev20241028
 
 # Nightly version for torchtune
 TUNE_NIGHTLY_VERSION=dev20241013

torchchat/export.py

@@ -122,7 +122,7 @@ def export_for_server(
     from executorch.exir.tracer import Value
 
     from torch._export import capture_pre_autograd_graph
-    from torch.export import export, ExportedProgram
+    from torch.export import export, export_for_training, ExportedProgram
 
     from torchchat.model import apply_rotary_emb, Attention
     from torchchat.utils.build_utils import get_precision
@@ -238,7 +238,7 @@ def _to_core_aten(
             raise ValueError(
                 f"Expected passed in model to be an instance of fx.GraphModule, got {type(model)}"
             )
-        core_aten_ep = export(model, example_inputs, dynamic_shapes=dynamic_shapes)
+        core_aten_ep = export_for_training(model, example_inputs, dynamic_shapes=dynamic_shapes)
         if verbose:
             logging.info(f"Core ATen graph:\n{core_aten_ep.graph}")
         return core_aten_ep