invalid value encountered in true_divide

[AimanAslam]

hey i am running the code and getting the warning that does not allow me to see results. kindly help me fix this and understand how to get the results of this code.
running error: run /content/Incremental-Learning/sDRN/experiment_drn_sdrn.py
/content/Incremental-Learning/sDRN/drn.py:141: RuntimeWarning: invalid value encountered in true_divide
match_val.append(np.sum((M - S) / M) > self.rho)
/content/Incremental-Learning/sDRN/sdrn.py:108: RuntimeWarning: invalid value encountered in true_divide
adaptive_lr = 2 * np.divide(volume_orig, (self.dim * (1 - self.rho) * self._volume_of_cluster(self.wg)))
/content/Incremental-Learning/sDRN/sdrn.py:79: RuntimeWarning: invalid value encountered in true_divide
return np.divide(np.add(volume1, volume2), union_volume), np.array(union_volume)
/content/Incremental-Learning/sDRN/drn.py:141: RuntimeWarning: invalid value encountered in true_divide
match_val.append(np.sum((M - S) / M) > self.rho)
/content/Incremental-Learning/sDRN/sdrn.py:108: RuntimeWarning: invalid value encountered in true_divide
adaptive_lr = 2 * np.divide(volume_orig, (self.dim * (1 - self.rho) * self._volume_of_cluster(self.wg)))
/content/Incremental-Learning/sDRN/sdrn.py:79: RuntimeWarning: invalid value encountered in true_divide
return np.divide(np.add(volume1, volume2), union_volume), np.array(union_volume)