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fix pca import problem #773

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Feb 5, 2021
Merged

fix pca import problem #773

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10 changes: 8 additions & 2 deletions mlxtend/plotting/tests/test_pca_corr_graph.py
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Original file line number Diff line number Diff line change
@@ -1,7 +1,14 @@
import pytest
from mlxtend.plotting import plot_pca_correlation_graph
from mlxtend.data import iris_data
from sklearn.decomposition.pca import PCA

from distutils.version import LooseVersion as Version
from sklearn import __version__ as sklearn_version

if Version(sklearn_version) < '0.22':
from sklearn.decomposition.pca import PCA
else:
from sklearn.decomposition import PCA


def test_pass_pca_corr():
Expand Down Expand Up @@ -62,4 +69,3 @@ def test_not_enough_components():
plot_pca_correlation_graph(X, variables_names=['1', '2', '3', '4'],
X_pca=X_pca,
explained_variance=eigen[:-1])