Cleanup: pep8 function indentation

release/scripts/templates_py/custom_nodes.py

@@ -124,6 +124,8 @@ from nodeitems_utils import NodeCategory, NodeItem
 
 # our own base class with an appropriate poll function,
 # so the categories only show up in our own tree type
+
+
 class MyNodeCategory(NodeCategory):
     @classmethod
     def poll(cls, context):
@@ -159,6 +161,7 @@ classes = (
     MyCustomNode,
 )
 
+
 def register():
     from bpy.utils import register_class
     for cls in classes: