Update test_quantize_op_fusion_pass.py

Author: shoumikhin

backends/cortex_m/test/test_quantize_op_fusion_pass.py

@@ -18,7 +18,11 @@
     ReplaceQuantNodesPass,
 )
 from executorch.exir.dialects._ops import ops as exir_ops
-from executorch.backends.cortex_m.test.test_helpers_passes_utils import AddQuantizer, check_count, get_node_args
+from executorch.backends.cortex_m.test.test_helpers_passes_utils import (
+    AddQuantizer,
+    check_count,
+    get_node_args,
+)
 from torch.export import export, export_for_training
 from torchao.quantization.pt2e.quantize_pt2e import convert_pt2e, prepare_pt2e