diff --git a/skimage/_shared/tests/__init__.py b/skimage/_shared/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/_shared/tests/__init__.py
+++ b/skimage/_shared/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/color/tests/__init__.py b/skimage/color/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/color/tests/__init__.py
+++ b/skimage/color/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/data/tests/__init__.py b/skimage/data/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/data/tests/__init__.py
+++ b/skimage/data/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/draw/tests/__init__.py b/skimage/draw/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/draw/tests/__init__.py
+++ b/skimage/draw/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/exposure/tests/__init__.py b/skimage/exposure/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/exposure/tests/__init__.py
+++ b/skimage/exposure/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/feature/tests/__init__.py b/skimage/feature/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/feature/tests/__init__.py
+++ b/skimage/feature/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/filters/rank/tests/__init__.py b/skimage/filters/rank/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/filters/rank/tests/__init__.py
+++ b/skimage/filters/rank/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/filters/rank/tests/test_rank.py b/skimage/filters/rank/tests/test_rank.py
index f491881d..64c3ca97 100644
--- a/skimage/filters/rank/tests/test_rank.py
+++ b/skimage/filters/rank/tests/test_rank.py
@@ -156,9 +156,9 @@ def test_bitdepth():
     for i in range(5):
         image = np.ones((100, 100), dtype=np.uint16) * 255 * 2 ** i
         if i > 3:
-          expected = ["Bitdepth of"]
+            expected = ["Bitdepth of"]
         else:
-          expected = []
+            expected = []
         with expected_warnings(expected):
             rank.mean_percentile(image=image, selem=elem, mask=mask,
                                out=out, shift_x=0, shift_y=0, p0=.1, p1=.9)
@@ -523,9 +523,9 @@ def test_16bit():
         value = 2 ** bitdepth - 1
         image[10, 10] = value
         if bitdepth > 11:
-          expected = ['Bitdepth of %s' % (bitdepth - 1)]
+            expected = ['Bitdepth of %s' % (bitdepth - 1)]
         else:
-          expected = []
+            expected = []
         with expected_warnings(expected):
             assert rank.minimum(image, selem)[10, 10] == 0
             assert rank.maximum(image, selem)[10, 10] == value
diff --git a/skimage/filters/tests/__init__.py b/skimage/filters/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/filters/tests/__init__.py
+++ b/skimage/filters/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/graph/tests/__init__.py b/skimage/graph/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/graph/tests/__init__.py
+++ b/skimage/graph/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/io/tests/__init__.py b/skimage/io/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/io/tests/__init__.py
+++ b/skimage/io/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/measure/tests/__init__.py b/skimage/measure/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/measure/tests/__init__.py
+++ b/skimage/measure/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/measure/tests/test_regionprops.py b/skimage/measure/tests/test_regionprops.py
index fdbabad9..5a14aba5 100644
--- a/skimage/measure/tests/test_regionprops.py
+++ b/skimage/measure/tests/test_regionprops.py
@@ -33,7 +33,7 @@ def test_dtype():
     regionprops(np.zeros((10, 10), dtype=np.int))
     regionprops(np.zeros((10, 10), dtype=np.uint))
     assert_raises((TypeError, RuntimeError), regionprops,
-                   np.zeros((10, 10), dtype=np.double))
+                  np.zeros((10, 10), dtype=np.double))
 
 
 def test_ndim():
diff --git a/skimage/morphology/tests/__init__.py b/skimage/morphology/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/morphology/tests/__init__.py
+++ b/skimage/morphology/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/novice/tests/__init__.py b/skimage/novice/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/novice/tests/__init__.py
+++ b/skimage/novice/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/restoration/tests/__init__.py b/skimage/restoration/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/restoration/tests/__init__.py
+++ b/skimage/restoration/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/segmentation/tests/__init__.py b/skimage/segmentation/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/segmentation/tests/__init__.py
+++ b/skimage/segmentation/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/transform/tests/__init__.py b/skimage/transform/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/transform/tests/__init__.py
+++ b/skimage/transform/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/util/tests/__init__.py b/skimage/util/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/util/tests/__init__.py
+++ b/skimage/util/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()
diff --git a/skimage/viewer/tests/__init__.py b/skimage/viewer/tests/__init__.py
index 9c11267a..3df53221 100644
--- a/skimage/viewer/tests/__init__.py
+++ b/skimage/viewer/tests/__init__.py
@@ -5,5 +5,5 @@ def setup():
     setup_test()
 
 
-def tearDown():
+def teardown():
     teardown_test()