sogaal-- tf to pytorch

[Yeechin-is-here]

sorry, last time lose a line to import defaultdict...

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[coveralls]

Pull Request Test Coverage Report for Build 9101479201

Details

• 62 of 62 (100.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.07%) to 93.825%

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Totals
Change from base Build 8309419980:	0.07%
Covered Lines:	9025
Relevant Lines:	9619

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💛 - Coveralls