fix: resolve lint warnings and comparison issue

Author: crypto-a

onnxscript/function_libs/torch_lib/ops/core.py

@@ -3119,9 +3119,7 @@ def aten_embedding_bag_padding_idx(
             weight,
             indices,
             offsets,
-            scale_grad_by_freq,
             mode,
-            sparse,
             per_sample_weights,
             include_last_offset,
             padding_idx,
@@ -3134,9 +3132,7 @@ def aten_embedding_bag_padding_idx(
         weight,
         indices,
         offsets,
-        scale_grad_by_freq,
         mode,
-        sparse,
         per_sample_weights,
         include_last_offset,
     )

tests/function_libs/torch_lib/ops_test_data.py

@@ -188,9 +188,9 @@ def xfail(
 def _embedding_bag_input_wrangler(
     args: list[Any], kwargs: dict[str, Any]
 ) -> tuple[list[Any], dict[str, Any]]:
-    # ONNX attributes cannot be None; omit padding_idx if it’s None.
+    # ONNX attributes cannot be None; omit padding_idx if it's None.
     padding_idx = kwargs.pop("padding_idx", "___MISSING___")
-    if padding_idx is not "___MISSING___":
+    if padding_idx != "___MISSING___":
         if padding_idx is not None:
             kwargs["padding_idx"] = int(padding_idx)