TypeError: unlink () toma 1 argumento posicional pero a 2 se les dio un ejemplo de código odoo

Ejemplo: se esperaba 1 argumento posicional pero se dieron 2

#Happens when a function expects only 1 value to be passed through it
#But multiple are passed through

class thing(object):
	def __init__(self):
    	pass
       
    def function(self)
		print("hello")

thingy = thing()
thingy.bind("<KeyPress>", thingy.function)

#You don't expect above to pass two values through, however it passes an event
#and self which is why it will give a positional argument error

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