youkaichao 9c7d31e5d6
bugfix for empty_ (#114)
* bugfix for empty_

* use v.__class__(0) for scalar
2020-07-08 08:10:34 +08:00
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2020-06-03 13:59:47 +08:00
2020-07-08 08:10:34 +08:00
2020-07-07 18:40:55 +08:00