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由 keineahnung2345 提交于
In current version of log(), when you pass a zero size array, it will throw an error: `ValueError: Unknown format code 'f' for object of type 'str'`. This PR fixes it.
a8e674cc
In current version of log(), when you pass a zero size array, it will throw an error: `ValueError: Unknown format code 'f' for object of type 'str'`. This PR fixes it.