In valueChanged NameError: global name 'project' is not defined

Ignition
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I have created a memory tag with next script in ValueEvents/Value Changed:

def valueChanged(tag, tagPath, previousValue, currentValue, initialChange, missedEvents):
project.PruebaCambioStatus.PasodeValores(tagPath, previousValue, currentValue, initialChange)

In Project Library project/PruebaCambioStatus I have next function:

def PasodeValores(tagPath, previousValue, currentValue, initialChange):

def PasodeValores(tagPath, previousValue, currentValue, initialChange):

	# Creamos un logger especĂ­fico para esta tarea
	logger = system.util.getLogger("PruebaCambioStatus")
	
	# Extraemos los valores reales (evitando el objeto calificado completo si solo queremos el valor)
	pre_val = previousValue.value if previousValue is not None else None
	cur_val = currentValue.value if currentValue is not None else None
	
	# Formateamos el mensaje para el log
	mensaje = "Path: {} | PreValue: {} | CurValue: {} | IniChange: {}".format(
	    tagPath, pre_val, cur_val, initialChange
	)
	
	# Publicamos en el log como INFO
	logger.info(mensaje)

Once memory tag changes value, next error message appears in the log

([default]TurnoFicticio, valueChanged) Error executing tag event script: Traceback (most recent call last): File "tagevent:valueChanged", line 2, in valueChanged NameError: global name 'project' is not defined

How it can be solved?

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