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fix: when first run, ckpt_suffixes is empty #19

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fix: when first run, ckpt_suffixes is empty #19

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2 changes: 1 addition & 1 deletion atari/batch_rl/fixed_replay/replay_memory/fixed_replay_buffer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -162,7 +162,7 @@ def _load_replay_buffers(self, num_buffers=None):
# Should contain the files for add_count, action, observation, reward,
# terminal and invalid_range
ckpt_suffixes = [x for x in ckpt_counters if ckpt_counters[x] in [6, 7]]
if num_buffers is not None:
if num_buffers is not None and len(ckpt_suffixes) > 0:
ckpt_suffixes = np.random.choice(
ckpt_suffixes, num_buffers, replace=False)
self._replay_buffers = []
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