

def retrieve_and_update(self, control, attention=1.0):
    value = None
    if (self.left and self.right):
        move_right = self.tree.search(self.h, control)
        value = self.right.retrieve_and_update(control, attention=(attention * move_right))
        value += self.left.retrieve_and_update(control, attention=(attention * (1 - move_right)))
    else:
        value = (attention * self.value)
    if (self.left and self.right):
        self.h = self.tree.join(self.left.h, control.right.h)
    else:
        self.h = ((attention * self.tree.write(self.h, control)) + ((1 - attention) * self.h))
    return value

dataset/ETHPy150Open Smerity/tf-ham/ham.py HAMNode.retrieve_and_update/VarMisuse@135/157 `self`->`control`