ai-hub (#3)

Reviewed-on: #3

examples/training/source/train.py

@@ -126,10 +126,6 @@ def export_onnx(model: nn.Module, model_dir: Path, image_size: int) -> None:
         do_constant_folding=True,
         input_names=["input"],
         output_names=["logits"],
-        dynamic_axes={
-            "input": {0: "batch_size"},
-            "logits": {0: "batch_size"},
-        },
     )