5 files changed, 4 insertions, 10 deletions
diff --git a/numpy/ma/tests/test_core.py b/numpy/ma/tests/test_core.py
index 82d7ee960..2775b11ec 100644
--- a/numpy/ma/tests/test_core.py
+++ b/numpy/ma/tests/test_core.py
@@ -26,7 +26,7 @@ from numpy.testing import (
     assert_raises, assert_warns, suppress_warnings
     )
 from numpy import ndarray
-from numpy.compat import asbytes, asbytes_nested
+from numpy.compat import asbytes
 from numpy.ma.testutils import (
     assert_, assert_array_equal, assert_equal, assert_almost_equal,
     assert_equal_records, fail_if_equal, assert_not_equal,
@@ -233,7 +233,7 @@ class TestMaskedArray(object):
         x = np.array([('A', 0)], dtype={'names':['f0','f1'],
                                         'formats':['S4','i8'],
                                         'offsets':[0,8]})
-        data = array(x) # used to fail due to 'V' padding field in x.dtype.descr
+        array(x)  # used to fail due to 'V' padding field in x.dtype.descr
 
     def test_asarray(self):
         (x, y, a10, m1, m2, xm, ym, z, zm, xf) = self.d
diff --git a/numpy/ma/tests/test_extras.py b/numpy/ma/tests/test_extras.py
index c29bec2bd..5243cf714 100644
--- a/numpy/ma/tests/test_extras.py
+++ b/numpy/ma/tests/test_extras.py
@@ -14,7 +14,7 @@ import itertools
 
 import numpy as np
 from numpy.testing import (
-    assert_warns, suppress_warnings, assert_raises,
+    assert_warns, suppress_warnings
     )
 from numpy.ma.testutils import (
     assert_, assert_array_equal, assert_equal, assert_almost_equal
@@ -29,9 +29,8 @@ from numpy.ma.extras import (
     ediff1d, apply_over_axes, apply_along_axis, compress_nd, compress_rowcols,
     mask_rowcols, clump_masked, clump_unmasked, flatnotmasked_contiguous,
     notmasked_contiguous, notmasked_edges, masked_all, masked_all_like, isin,
-    diagflat, stack, vstack, hstack
+    diagflat, stack, vstack
     )
-import numpy.ma.extras as mae
 
 
 class TestGeneric(object):
diff --git a/numpy/ma/tests/test_mrecords.py b/numpy/ma/tests/test_mrecords.py
index 8b9e3fbc9..dbbf1c8a1 100644
--- a/numpy/ma/tests/test_mrecords.py
+++ b/numpy/ma/tests/test_mrecords.py
@@ -7,8 +7,6 @@
 """
 from __future__ import division, absolute_import, print_function
 
-import warnings
-
 import numpy as np
 import numpy.ma as ma
 from numpy import recarray
diff --git a/numpy/ma/tests/test_old_ma.py b/numpy/ma/tests/test_old_ma.py
index 807121184..2978be22c 100644
--- a/numpy/ma/tests/test_old_ma.py
+++ b/numpy/ma/tests/test_old_ma.py
@@ -8,7 +8,6 @@ import numpy.core.fromnumeric as fromnumeric
 from numpy.testing import (
     assert_, assert_raises, assert_equal,
     )
-from numpy.ma.testutils import assert_array_equal
 from numpy.ma import (
     MaskType, MaskedArray, absolute, add, all, allclose, allequal, alltrue,
     arange, arccos, arcsin, arctan, arctan2, array, average, choose,
diff --git a/numpy/ma/tests/test_regression.py b/numpy/ma/tests/test_regression.py
index 67020d8e0..54f1bda7d 100644
--- a/numpy/ma/tests/test_regression.py
+++ b/numpy/ma/tests/test_regression.py
@@ -1,7 +1,5 @@
 from __future__ import division, absolute_import, print_function
 
-import warnings
-
 import numpy as np
 from numpy.testing import (
     assert_, assert_array_equal, assert_allclose, suppress_warnings