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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def kp_pan_px_center(self, viewer, event, data_x, data_y, msg=True):
 """This pans so that the cursor is over the center of the current pixel."""

        if not self.canpan:
            return False
        self.pan_center_px(viewer)
        return True