diff --git a/python/mxnet/ndarray/__init__.py b/python/mxnet/ndarray/__init__.py
index 1220a6600d17..8f13c5fa16f3 100644
--- a/python/mxnet/ndarray/__init__.py
+++ b/python/mxnet/ndarray/__init__.py
@@ -3,7 +3,7 @@
 from . import _internal
 from . import op
 from .op import CachedOp
-# pylint: disable=wildcard-import
+# pylint: disable=wildcard-import, redefined-builtin
 from .ndarray import *
 from .utils import load, save, zeros, empty, array
 from .sparse_ndarray import _ndarray_cls, csr_matrix, row_sparse_array
diff --git a/python/mxnet/test_utils.py b/python/mxnet/test_utils.py
index 8b6985ec5582..e0ccd2514191 100644
--- a/python/mxnet/test_utils.py
+++ b/python/mxnet/test_utils.py
@@ -11,8 +11,8 @@
 import os
 import errno
 import logging
-import scipy.sparse as sp
 from contextlib import contextmanager
+import scipy.sparse as sp
 import numpy as np
 import numpy.testing as npt
 import numpy.random as rnd