diff --git a/pandas/tests/sparse/frame/conftest.py b/pandas/tests/sparse/frame/conftest.py
index f36b4e643d10b..3423260c1720a 100644
--- a/pandas/tests/sparse/frame/conftest.py
+++ b/pandas/tests/sparse/frame/conftest.py
@@ -1,8 +1,7 @@
-import pytest
-
 import numpy as np
+import pytest
 
-from pandas import SparseDataFrame, SparseArray, DataFrame, bdate_range
+from pandas import DataFrame, SparseArray, SparseDataFrame, bdate_range
 
 data = {'A': [np.nan, np.nan, np.nan, 0, 1, 2, 3, 4, 5, 6],
         'B': [0, 1, 2, np.nan, np.nan, np.nan, 3, 4, 5, 6],
diff --git a/pandas/tests/sparse/frame/test_analytics.py b/pandas/tests/sparse/frame/test_analytics.py
index 2d9ccaa059a8c..95c1c8c453d0a 100644
--- a/pandas/tests/sparse/frame/test_analytics.py
+++ b/pandas/tests/sparse/frame/test_analytics.py
@@ -1,6 +1,7 @@
-import pytest
 import numpy as np
-from pandas import SparseDataFrame, DataFrame, SparseSeries
+import pytest
+
+from pandas import DataFrame, SparseDataFrame, SparseSeries
 from pandas.util import testing as tm
 
 
diff --git a/pandas/tests/sparse/frame/test_apply.py b/pandas/tests/sparse/frame/test_apply.py
index c26776ac4fd49..b5ea0a5c90e1a 100644
--- a/pandas/tests/sparse/frame/test_apply.py
+++ b/pandas/tests/sparse/frame/test_apply.py
@@ -1,8 +1,9 @@
-import pytest
 import numpy as np
-from pandas import SparseDataFrame, DataFrame, Series, bdate_range
-from pandas.core.sparse.api import SparseDtype
+import pytest
+
+from pandas import DataFrame, Series, SparseDataFrame, bdate_range
 from pandas.core import nanops
+from pandas.core.sparse.api import SparseDtype
 from pandas.util import testing as tm
 
 
diff --git a/pandas/tests/sparse/frame/test_frame.py b/pandas/tests/sparse/frame/test_frame.py
index 21100e3c3ffeb..f908c7b263dee 100644
--- a/pandas/tests/sparse/frame/test_frame.py
+++ b/pandas/tests/sparse/frame/test_frame.py
@@ -2,25 +2,24 @@
 
 import operator
 
-import pytest
-from numpy import nan
 import numpy as np
-import pandas as pd
+from numpy import nan
+import pytest
 
-from pandas import Series, DataFrame, bdate_range, Panel
+from pandas._libs.sparse import BlockIndex, IntIndex
+from pandas.compat import lrange
 from pandas.errors import PerformanceWarning
+
+import pandas as pd
+from pandas import DataFrame, Panel, Series, bdate_range, compat
 from pandas.core.indexes.datetimes import DatetimeIndex
-from pandas.tseries.offsets import BDay
-from pandas.util import testing as tm
-from pandas.compat import lrange
-from pandas import compat
 from pandas.core.sparse import frame as spf
-
-from pandas._libs.sparse import BlockIndex, IntIndex
 from pandas.core.sparse.api import (
-    SparseSeries, SparseDataFrame, SparseArray, SparseDtype
-)
+    SparseArray, SparseDataFrame, SparseDtype, SparseSeries)
 from pandas.tests.frame.test_api import SharedWithSparse
+from pandas.util import testing as tm
+
+from pandas.tseries.offsets import BDay
 
 
 class TestSparseDataFrame(SharedWithSparse):
diff --git a/pandas/tests/sparse/frame/test_indexing.py b/pandas/tests/sparse/frame/test_indexing.py
index e4ca3b90ff8d0..2d2a7ac278dd6 100644
--- a/pandas/tests/sparse/frame/test_indexing.py
+++ b/pandas/tests/sparse/frame/test_indexing.py
@@ -1,8 +1,8 @@
-import pytest
 import numpy as np
-from pandas import SparseDataFrame, DataFrame
-from pandas.util import testing as tm
+import pytest
 
+from pandas import DataFrame, SparseDataFrame
+from pandas.util import testing as tm
 
 pytestmark = pytest.mark.skip("Wrong SparseBlock initialization (GH 17386)")
 
diff --git a/pandas/tests/sparse/frame/test_to_csv.py b/pandas/tests/sparse/frame/test_to_csv.py
index b0243dfde8d3f..ed19872f8a7ef 100644
--- a/pandas/tests/sparse/frame/test_to_csv.py
+++ b/pandas/tests/sparse/frame/test_to_csv.py
@@ -1,5 +1,6 @@
 import numpy as np
 import pytest
+
 from pandas import SparseDataFrame, read_csv
 from pandas.util import testing as tm
 
diff --git a/pandas/tests/sparse/frame/test_to_from_scipy.py b/pandas/tests/sparse/frame/test_to_from_scipy.py
index e5c50e9574f90..bdb2cd022b451 100644
--- a/pandas/tests/sparse/frame/test_to_from_scipy.py
+++ b/pandas/tests/sparse/frame/test_to_from_scipy.py
@@ -1,13 +1,14 @@
-import pytest
+from distutils.version import LooseVersion
+
 import numpy as np
+import pytest
+
+from pandas.core.dtypes.common import is_bool_dtype
+
 import pandas as pd
-from pandas.util import testing as tm
 from pandas import SparseDataFrame, SparseSeries
 from pandas.core.sparse.api import SparseDtype
-from distutils.version import LooseVersion
-from pandas.core.dtypes.common import (
-    is_bool_dtype,
-)
+from pandas.util import testing as tm
 
 scipy = pytest.importorskip('scipy')
 ignore_matrix_warning = pytest.mark.filterwarnings(
diff --git a/pandas/tests/sparse/series/test_indexing.py b/pandas/tests/sparse/series/test_indexing.py
index 989cf3b974560..0f4235d7cc3fe 100644
--- a/pandas/tests/sparse/series/test_indexing.py
+++ b/pandas/tests/sparse/series/test_indexing.py
@@ -1,8 +1,8 @@
-import pytest
 import numpy as np
-from pandas import SparseSeries, Series
-from pandas.util import testing as tm
+import pytest
 
+from pandas import Series, SparseSeries
+from pandas.util import testing as tm
 
 pytestmark = pytest.mark.skip("Wrong SparseBlock initialization (GH 17386)")
 
diff --git a/pandas/tests/sparse/series/test_series.py b/pandas/tests/sparse/series/test_series.py
index 225ef96581e72..7eed47d0de888 100644
--- a/pandas/tests/sparse/series/test_series.py
+++ b/pandas/tests/sparse/series/test_series.py
@@ -1,28 +1,26 @@
 # pylint: disable-msg=E1101,W0612
 
-import operator
 from datetime import datetime
+import operator
 
-import pytest
-
-from numpy import nan
 import numpy as np
-import pandas as pd
-
+from numpy import nan
+import pytest
 
-from pandas import Series, DataFrame, bdate_range, isna, compat
+from pandas._libs.sparse import BlockIndex, IntIndex
+from pandas.compat import PY36, range
 from pandas.errors import PerformanceWarning
-from pandas.tseries.offsets import BDay
-import pandas.util.testing as tm
 import pandas.util._test_decorators as td
-from pandas.compat import range, PY36
-from pandas.core.reshape.util import cartesian_product
 
+import pandas as pd
+from pandas import (
+    DataFrame, Series, SparseDtype, SparseSeries, bdate_range, compat, isna)
+from pandas.core.reshape.util import cartesian_product
 import pandas.core.sparse.frame as spf
-
-from pandas._libs.sparse import BlockIndex, IntIndex
-from pandas import SparseSeries, SparseDtype
 from pandas.tests.series.test_api import SharedWithSparse
+import pandas.util.testing as tm
+
+from pandas.tseries.offsets import BDay
 
 
 def _test_data1():
diff --git a/pandas/tests/sparse/test_combine_concat.py b/pandas/tests/sparse/test_combine_concat.py
index 92483f1e7511e..97d5aaca82778 100644
--- a/pandas/tests/sparse/test_combine_concat.py
+++ b/pandas/tests/sparse/test_combine_concat.py
@@ -1,11 +1,13 @@
 # pylint: disable-msg=E1101,W0612
-import pytest
+import itertools
 
 import numpy as np
+import pytest
+
+from pandas.errors import PerformanceWarning
+
 import pandas as pd
 import pandas.util.testing as tm
-from pandas.errors import PerformanceWarning
-import itertools
 
 
 class TestSparseArrayConcat(object):
diff --git a/pandas/tests/sparse/test_format.py b/pandas/tests/sparse/test_format.py
index 4186f579f62f5..63018f9525b1f 100644
--- a/pandas/tests/sparse/test_format.py
+++ b/pandas/tests/sparse/test_format.py
@@ -2,13 +2,12 @@
 from __future__ import print_function
 
 import numpy as np
-import pandas as pd
 
-import pandas.util.testing as tm
-from pandas.compat import (is_platform_windows,
-                           is_platform_32bit)
-from pandas.core.config import option_context
+from pandas.compat import is_platform_32bit, is_platform_windows
 
+import pandas as pd
+from pandas.core.config import option_context
+import pandas.util.testing as tm
 
 use_32bit_repr = is_platform_windows() or is_platform_32bit()
 
diff --git a/pandas/tests/sparse/test_indexing.py b/pandas/tests/sparse/test_indexing.py
index fb10473ec78a8..6d8c6f13cd32b 100644
--- a/pandas/tests/sparse/test_indexing.py
+++ b/pandas/tests/sparse/test_indexing.py
@@ -1,10 +1,11 @@
 # pylint: disable-msg=E1101,W0612
 
-import pytest
 import numpy as np
+import pytest
+
 import pandas as pd
-import pandas.util.testing as tm
 from pandas.core.sparse.api import SparseDtype
+import pandas.util.testing as tm
 
 
 class TestSparseSeriesIndexing(object):
diff --git a/pandas/tests/sparse/test_pivot.py b/pandas/tests/sparse/test_pivot.py
index 0e71048f51177..af7de43ec0f8a 100644
--- a/pandas/tests/sparse/test_pivot.py
+++ b/pandas/tests/sparse/test_pivot.py
@@ -1,4 +1,5 @@
 import numpy as np
+
 import pandas as pd
 import pandas.util.testing as tm
 
diff --git a/pandas/tests/sparse/test_reshape.py b/pandas/tests/sparse/test_reshape.py
index d4ba672607982..6830e40ce6533 100644
--- a/pandas/tests/sparse/test_reshape.py
+++ b/pandas/tests/sparse/test_reshape.py
@@ -1,5 +1,5 @@
-import pytest
 import numpy as np
+import pytest
 
 import pandas as pd
 import pandas.util.testing as tm
diff --git a/setup.cfg b/setup.cfg
index d4cdd57e7a448..032a41df90f83 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -145,23 +145,8 @@ skip=
     pandas/tests/plotting/common.py,
     pandas/tests/plotting/test_boxplot_method.py,
     pandas/tests/plotting/test_deprecated.py,
-    pandas/tests/sparse/test_indexing.py,
     pandas/tests/extension/test_sparse.py,
     pandas/tests/extension/base/reduce.py,
-    pandas/tests/sparse/test_reshape.py,
-    pandas/tests/sparse/test_pivot.py,
-    pandas/tests/sparse/test_format.py,
-    pandas/tests/sparse/test_groupby.py,
-    pandas/tests/sparse/test_combine_concat.py,
-    pandas/tests/sparse/series/test_indexing.py,
-    pandas/tests/sparse/series/test_series.py,
-    pandas/tests/sparse/frame/test_indexing.py,
-    pandas/tests/sparse/frame/test_to_from_scipy.py,
-    pandas/tests/sparse/frame/test_to_csv.py,
-    pandas/tests/sparse/frame/test_apply.py,
-    pandas/tests/sparse/frame/test_analytics.py,
-    pandas/tests/sparse/frame/test_frame.py,
-    pandas/tests/sparse/frame/conftest.py,
     pandas/tests/computation/test_compat.py,
     pandas/tests/computation/test_eval.py,
     pandas/types/common.py,