fix: kd-tree fix + test speedup #194
Merged
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Unbeknownst to me,
.dataSync()may or may not return the underlying data array of aTensor. This led to a subtle bug in theKdTreeimplementation. The protection copy added by this PR should fix that. PR also includes:KdTreeandBruteNeighborhoodsrc/neighbors/*test speedupKNeighborsClassifiercan now be instantiated without parameters.KNeighborsBase.SUPPORTED_ALGORITHMSlists all available algorithms for testing convenience.