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Change datatype check to use np.issubdtype #49

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Change datatype check to use np.issubdtype #49

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3 changes: 2 additions & 1 deletion utils/datasets/datasets.py
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,8 @@ def name(self):
@property
def n_categories(self):
if self._n_categories is None:
assert self.training_set.target.dtype in (int, str), \
target_dtype = self.training_set.target.dtype
assert (np.issubdtype(target_dtype, int) or np.issubdtype(target_dtype, str)), \
'n_categories is only a valid attribute when target data is int or str. It is %s' \
% (self.training_set.target.dtype, )
self._n_categories = len(np.unique(self.training_set.target))
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