<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def pix2sky(self, pixel):
 """ Get the sky coordinates for a given image pixel. Parameters pixel : (float, float) Image coordinates. Returns ------- ra,dec : float Sky coordinates (degrees) """

        pixbox = numpy.array([pixel, pixel])
        skybox = self.wcs.all_pix2world(pixbox, 1)
        return [float(skybox[0][0]), float(skybox[0][1])]