Return QPImage without background correction

def get_qpimage_raw(self, idx=0):
        """Return QPImage without background correction"""
        # Load experimental data
        with SingleTifHolo._get_tif(self.path) as tf:
            holo = tf.pages[0].asarray()
        meta_data = copy.copy(self.meta_data)
        qpi = qpimage.QPImage(data=(holo),
                              which_data="hologram",
                              meta_data=meta_data,
                              holo_kw=self.holo_kw,
                              h5dtype=self.as_type)
        # set identifier
        qpi["identifier"] = self.get_identifier()
        qpi["time"] = self.get_time()
        return qpi