TST remove _UnstableOn32BitMixin from kpca class
@@ -11,12 +11,12 @@ from ..utils import check_random_state
from ..utils.extmath import svd_flip
from ..utils.validation import check_is_fitted, check_array
from ..exceptions import NotFittedError
-from ..base import BaseEstimator, TransformerMixin, _UnstableOn32BitMixin
+from ..base import BaseEstimator, TransformerMixin
from ..preprocessing import KernelCenterer
from ..metrics.pairwise import pairwise_kernels
-class KernelPCA(BaseEstimator, TransformerMixin, _UnstableOn32BitMixin):
+class KernelPCA(BaseEstimator, TransformerMixin):
"""Kernel Principal component analysis (KPCA)
Non-linear dimensionality reduction through the use of kernels (see
