youkaichao ff99662fe6
bugfix for update with empty buffer; remove duplicate variable _weight_sum in PrioritizedReplayBuffer (#120)
* bugfix for update with empty buffer; remove duplicate variable _weight_sum in PrioritizedReplayBuffer

* point out that ListReplayBuffer cannot be sampled

* remove useless _amortization_counter variable
2020-07-10 08:24:11 +08:00
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2020-06-20 09:57:16 +08:00
2020-07-09 22:57:01 +08:00
2020-06-27 21:40:09 +08:00
2020-07-09 22:57:01 +08:00
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