[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

treeple/tree/manifold/_morf_splitter.pyx

@@ -13,10 +13,17 @@ from cython.operator cimport dereference as deref
 from libcpp.vector cimport vector
 
 from ..._lib.sklearn.tree._criterion cimport Criterion
-from ..._lib.sklearn.tree._utils cimport rand_int
 from ..._lib.sklearn.tree._tree cimport ParentInfo
-from .._utils cimport init_2dmemoryview, ravel_multi_index_cython, unravel_index_cython, fisher_yates_shuffle, compute_vectorized_indices_from_cartesian
+from ..._lib.sklearn.tree._utils cimport rand_int
 from .._sklearn_splitter cimport sort
+from .._utils cimport (
+    compute_vectorized_indices_from_cartesian,
+    fisher_yates_shuffle,
+    init_2dmemoryview,
+    ravel_multi_index_cython,
+    unravel_index_cython,
+)
+
 
 cdef float64_t INFINITY = np.inf
 

treeple/tree/tests/test_manifold.py

@@ -1,11 +1,6 @@
-import joblib
 import numpy as np
-import pytest
+from numpy.testing import assert_array_equal
 from sklearn import datasets
-from numpy.testing import assert_almost_equal, assert_array_equal
-from sklearn.base import is_classifier
-from sklearn.datasets import load_iris, make_blobs
-from sklearn.tree._tree import TREE_LEAF
 
 from treeple.tree import (
     ExtraObliqueDecisionTreeClassifier,
@@ -38,7 +33,6 @@
 digits.target = digits.target[perm]
 
 
-
 def test_splitters():
     """Test that splitters are picklable."""
     X, y = digits.data, digits.target