add output.dtype

Author: zewenli98

py/torch_tensorrt/dynamo/conversion/impl/elementwise/base.py

@@ -177,4 +177,5 @@ def convert_binary_elementwise(
     output = layer.get_output(0)
     kind: str = str(target.__name__) if callable(target) else target
     output.name = output.name + "_" + kind
+    output.dtype
     return output