link fixes

Author: shubhambhokare1

onnxscript/rewriter/_fusion_utils.py

@@ -4,11 +4,11 @@
 
 from typing import Sequence, Union
 
-
 from onnxscript import ir
 
 Dim = Union[int, ir.SymbolicDim]
 
+
 def _check_shape(bindings: dict[str, Dim], val: ir.Value, shape: Sequence[str]) -> bool:
     if val.shape is None:
         return False