in datasets/MixedPrioritizedSampler.py [0:0]
def update_weights(self, inds, weights):
""" Update priority weights """
if not self.manual_only:
weights = np.clip(weights, 0, self.init_weight)
weights = np.power(weights, self.alpha)
for i, w in zip(inds, weights):
self.ptree.update(i, w)