Address some linting issues

Author: iksnagreb

src/qonnx/core/modelwrapper.py

@@ -41,8 +41,8 @@
 from qonnx.transformation.general import (
     RemoveStaticGraphInputs,
     RemoveUnusedTensors,
+    SortCommutativeInputsInitializerLast,
     SortGraph,
-    SortCommutativeInputsInitializerLast
 )
 
 

src/qonnx/transformation/general.py

@@ -29,15 +29,15 @@
 import json
 import numpy as np
 import warnings
+
+# Protobuf onnx graph node type
+from onnx import NodeProto  # noqa
 from onnx import mapping
 from toposort import toposort_flatten
 
 import qonnx.util.basic as util
 from qonnx.transformation.base import Transformation
 
-# Protobuf onnx graph node type
-from onnx import NodeProto  # noqa
-
 
 class MovePadAttributeToTensor(Transformation):
     "Move padding info from attribute into input tensor for Pad nodes."