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fix the bug [TypeError: cannot pickle 'generator' object] #2760

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fix the bug [TypeError: cannot pickle 'generator' object] #2760

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1 change: 1 addition & 0 deletions wenet/dataset/datapipes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -340,6 +340,7 @@ def __iter__(self):
weights[i] = 0.
exhausted[i] = True
if all(exhausted):
self.iters = None
return
weights = [weight / sum(weights) for weight in weights]

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