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fix loading 1dim tensor from 0.3.* to 0dim tensor #9781

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fix loading 1dim tensor from 0.3.* to 0dim tensor #9781

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4 changes: 4 additions & 0 deletions torch/nn/modules/module.py
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Original file line number Diff line number Diff line change
Expand Up @@ -642,6 +642,10 @@ def _load_from_state_dict(self, state_dict, prefix, metadata, strict, missing_ke
if key in state_dict:
input_param = state_dict[key]

# Backward compatibility: loading 1-dim tensor from 0.3.* to version 0.4+
if len(param.shape) == 0 and len(input_param.shape) == 1:
input_param = input_param[0]

if input_param.shape != param.shape:
# local shape should match the one in checkpoint
error_msgs.append('size mismatch for {}: copying a param of {} from checkpoint, '
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