how to check self values in the IS_CHANGED method?

[elemich]

declaring a class in this manner

class myclass:
def init(self):
self.count=0

@classmethod
def IS_CHANGED(self):
    print(f"count: {self.count}")

brings to
WARNING: type object 'myclass' has no attribute 'count'

[christian-byrne]

IS_CHANGED is a class method. __init__ is called when an instance of the class is created. count is defined inside __init__, which means it belongs to instances of the class. You should define count on the class, assumming all nodes can share the value

class myclass:
    count = 0

[elemich]

ok a very chicken error, thank you