diff --git a/tests/test_plat_other.py b/tests/test_plat_other.py
index b129846..b94295d 100644
--- a/tests/test_plat_other.py
+++ b/tests/test_plat_other.py
@@ -16,51 +16,52 @@ import sys
 HOMETRASH = send2trash.plat_other.HOMETRASH
 
 def touch(path):
-  with open(path, 'a'):
-    os.utime(path, None)
+    with open(path, 'a'):
+        os.utime(path, None)
 
 class TestHomeTrash(unittest.TestCase):
-  def setUp(self):
-    self.file = NamedTemporaryFile(dir=op.expanduser("~"),
-      prefix='send2trash_test', delete=False)
+    def setUp(self):
+        self.file = NamedTemporaryFile(
+            dir=op.expanduser("~"), prefix='send2trash_test', delete=False)
 
-  def test_trash(self):
-    s2t(self.file.name)
-    self.assertFalse(op.exists(self.file.name))
+    def test_trash(self):
+        s2t(self.file.name)
+        self.assertFalse(op.exists(self.file.name))
+
+    def tearDown(self):
+        name = op.basename(self.file.name)
+        os.remove(op.join(HOMETRASH, 'files', name))
+        os.remove(op.join(HOMETRASH, 'info', name+'.trashinfo'))
 
-  def tearDown(self):
-    name = op.basename(self.file.name)
-    os.remove(op.join(HOMETRASH, 'files', name))
-    os.remove(op.join(HOMETRASH, 'info', name+'.trashinfo'))
 
 def _filesys_enc():
-  enc = sys.getfilesystemencoding()
-  # Get canonical name of codec
-  return codecs.lookup(enc).name
+    enc = sys.getfilesystemencoding()
+    # Get canonical name of codec
+    return codecs.lookup(enc).name
 
 @unittest.skipIf(_filesys_enc() == 'ascii', 'ASCII filesystem')
 class TestUnicodeTrash(unittest.TestCase):
-  def setUp(self):
-    self.name = u'send2trash_tést1'
-    self.file = op.join(op.expanduser(b'~'), self.name.encode('utf-8'))
-    touch(self.file)
+    def setUp(self):
+        self.name = u'send2trash_tést1'
+        self.file = op.join(op.expanduser(b'~'), self.name.encode('utf-8'))
+        touch(self.file)
 
-  def test_trash_bytes(self):
-    s2t(self.file)
-    assert not op.exists(self.file)
+    def test_trash_bytes(self):
+        s2t(self.file)
+        assert not op.exists(self.file)
 
-  def test_trash_unicode(self):
-    s2t(self.file.decode(sys.getfilesystemencoding()))
-    assert not op.exists(self.file)
+    def test_trash_unicode(self):
+        s2t(self.file.decode(sys.getfilesystemencoding()))
+        assert not op.exists(self.file)
 
-  def tearDown(self):
-    if op.exists(self.file):
-      os.remove(self.file)
+    def tearDown(self):
+        if op.exists(self.file):
+            os.remove(self.file)
 
-    trash_file = op.join(HOMETRASH, 'files', self.name)
-    if op.exists(trash_file):
-      os.remove(trash_file)
-      os.remove(op.join(HOMETRASH, 'info', self.name+'.trashinfo'))
+        trash_file = op.join(HOMETRASH, 'files', self.name)
+        if op.exists(trash_file):
+            os.remove(trash_file)
+            os.remove(op.join(HOMETRASH, 'info', self.name+'.trashinfo'))
 
 #
 # Tests for files on some other volume than the user's home directory.
@@ -70,101 +71,100 @@ class TestUnicodeTrash(unittest.TestCase):
 # * os.path.ismount (to make our topdir look like a top dir)
 #
 class TestExtVol(unittest.TestCase):
-  def setUp(self):
-    self.trashTopdir = mkdtemp(prefix='s2t')
-    if PY3:
-      trashTopdir_b = os.fsencode(self.trashTopdir)
-    else:
-      trashTopdir_b = self.trashTopdir
-    self.fileName = 'test.txt'
-    self.filePath = op.join(self.trashTopdir, self.fileName)
-    touch(self.filePath)
+    def setUp(self):
+        self.trashTopdir = mkdtemp(prefix='s2t')
+        if PY3:
+            trashTopdir_b = os.fsencode(self.trashTopdir)
+        else:
+            trashTopdir_b = self.trashTopdir
+        self.fileName = 'test.txt'
+        self.filePath = op.join(self.trashTopdir, self.fileName)
+        touch(self.filePath)
 
-    self.old_ismount = old_ismount = op.ismount
-    self.old_getdev = send2trash.plat_other.get_dev
-    def s_getdev(path):
-      from send2trash.plat_other import is_parent
-      st = os.lstat(path)
-      if is_parent(self.trashTopdir, path):
-        return 'dev'
-      return st.st_dev
-    def s_ismount(path):
-      if op.realpath(path) in \
-              (op.realpath(self.trashTopdir), op.realpath(trashTopdir_b)):
-        return True
-      return old_ismount(path)
+        self.old_ismount = old_ismount = op.ismount
+        self.old_getdev = send2trash.plat_other.get_dev
+        def s_getdev(path):
+            from send2trash.plat_other import is_parent
+            st = os.lstat(path)
+            if is_parent(self.trashTopdir, path):
+                return 'dev'
+            return st.st_dev
+        def s_ismount(path):
+            if op.realpath(path) in (op.realpath(self.trashTopdir), op.realpath(trashTopdir_b)):
+                return True
+            return old_ismount(path)
 
-    send2trash.plat_other.os.path.ismount = s_ismount
-    send2trash.plat_other.get_dev = s_getdev
+        send2trash.plat_other.os.path.ismount = s_ismount
+        send2trash.plat_other.get_dev = s_getdev
 
-  def tearDown(self):
-    send2trash.plat_other.get_dev = self.old_getdev
-    send2trash.plat_other.os.path.ismount = self.old_ismount
-    shutil.rmtree(self.trashTopdir)
+    def tearDown(self):
+        send2trash.plat_other.get_dev = self.old_getdev
+        send2trash.plat_other.os.path.ismount = self.old_ismount
+        shutil.rmtree(self.trashTopdir)
 
 class TestTopdirTrash(TestExtVol):
-  def setUp(self):
-    TestExtVol.setUp(self)
-    # Create a .Trash dir w/ a sticky bit
-    self.trashDir = op.join(self.trashTopdir, '.Trash')
-    os.mkdir(self.trashDir, 0o777|stat.S_ISVTX)
+    def setUp(self):
+        TestExtVol.setUp(self)
+        # Create a .Trash dir w/ a sticky bit
+        self.trashDir = op.join(self.trashTopdir, '.Trash')
+        os.mkdir(self.trashDir, 0o777|stat.S_ISVTX)
 
-  def test_trash(self):
-    s2t(self.filePath)
-    self.assertFalse(op.exists(self.filePath))
-    self.assertTrue(op.exists(op.join(self.trashDir, str(os.getuid()), 'files', self.fileName)))
-    self.assertTrue(op.exists(op.join(self.trashDir, str(os.getuid()), 'info', self.fileName + '.trashinfo')))
-    # info relative path (if another test is added, with the same fileName/Path,
-    # then it gets renamed etc.)
-    cfg = ConfigParser()
-    cfg.read(op.join(self.trashDir, str(os.getuid()), 'info', self.fileName + '.trashinfo'))
-    self.assertEqual(self.fileName, cfg.get('Trash Info', 'Path', raw=True))
+    def test_trash(self):
+        s2t(self.filePath)
+        self.assertFalse(op.exists(self.filePath))
+        self.assertTrue(op.exists(op.join(self.trashDir, str(os.getuid()), 'files', self.fileName)))
+        self.assertTrue(op.exists(op.join(self.trashDir, str(os.getuid()), 'info', self.fileName + '.trashinfo')))
+        # info relative path (if another test is added, with the same fileName/Path,
+        # then it gets renamed etc.)
+        cfg = ConfigParser()
+        cfg.read(op.join(self.trashDir, str(os.getuid()), 'info', self.fileName + '.trashinfo'))
+        self.assertEqual(self.fileName, cfg.get('Trash Info', 'Path', raw=True))
 
 # Test .Trash-UID
 class TestTopdirTrashFallback(TestExtVol):
-  def test_trash(self):
-    touch(self.filePath)
-    s2t(self.filePath)
-    self.assertFalse(op.exists(self.filePath))
-    self.assertTrue(op.exists(op.join(self.trashTopdir, '.Trash-' + str(os.getuid()), 'files', self.fileName)))
+    def test_trash(self):
+        touch(self.filePath)
+        s2t(self.filePath)
+        self.assertFalse(op.exists(self.filePath))
+        self.assertTrue(op.exists(op.join(self.trashTopdir, '.Trash-' + str(os.getuid()), 'files', self.fileName)))
 
 # Test failure
 class TestTopdirFailure(TestExtVol):
-  def setUp(self):
-    TestExtVol.setUp(self)
-    os.chmod(self.trashTopdir, 0o500) # not writable to induce the exception
+    def setUp(self):
+        TestExtVol.setUp(self)
+        os.chmod(self.trashTopdir, 0o500) # not writable to induce the exception
 
-  def test_trash(self):
-    with self.assertRaises(OSError):
-      s2t(self.filePath)
-    self.assertTrue(op.exists(self.filePath))
+    def test_trash(self):
+        with self.assertRaises(OSError):
+            s2t(self.filePath)
+        self.assertTrue(op.exists(self.filePath))
 
-  def tearDown(self):
-    os.chmod(self.trashTopdir, 0o700) # writable to allow deletion
-    TestExtVol.tearDown(self)
+    def tearDown(self):
+        os.chmod(self.trashTopdir, 0o700) # writable to allow deletion
+        TestExtVol.tearDown(self)
 
 # Make sure it will find the mount point properly for a file in a symlinked path
 class TestSymlink(TestExtVol):
-  def setUp(self):
-    TestExtVol.setUp(self)
-    # Use mktemp (race conditioney but no symlink equivalent)
-    # Since is_parent uses realpath(), and our getdev uses is_parent,
-    # this should work
-    self.slDir = mktemp(prefix='s2t', dir=op.expanduser('~'))
+    def setUp(self):
+        TestExtVol.setUp(self)
+        # Use mktemp (race conditioney but no symlink equivalent)
+        # Since is_parent uses realpath(), and our getdev uses is_parent,
+        # this should work
+        self.slDir = mktemp(prefix='s2t', dir=op.expanduser('~'))
 
-    os.mkdir(op.join(self.trashTopdir, 'subdir'), 0o700)
-    self.filePath = op.join(self.trashTopdir, 'subdir', self.fileName)
-    touch(self.filePath)
-    os.symlink(op.join(self.trashTopdir, 'subdir'), self.slDir)
+        os.mkdir(op.join(self.trashTopdir, 'subdir'), 0o700)
+        self.filePath = op.join(self.trashTopdir, 'subdir', self.fileName)
+        touch(self.filePath)
+        os.symlink(op.join(self.trashTopdir, 'subdir'), self.slDir)
 
-  def test_trash(self):
-    s2t(op.join(self.slDir, self.fileName))
-    self.assertFalse(op.exists(self.filePath))
-    self.assertTrue(op.exists(op.join(self.trashTopdir, '.Trash-' + str(os.getuid()), 'files', self.fileName)))
+    def test_trash(self):
+        s2t(op.join(self.slDir, self.fileName))
+        self.assertFalse(op.exists(self.filePath))
+        self.assertTrue(op.exists(op.join(self.trashTopdir, '.Trash-' + str(os.getuid()), 'files', self.fileName)))
 
-  def tearDown(self):
-    os.remove(self.slDir)
-    TestExtVol.tearDown(self)
+    def tearDown(self):
+        os.remove(self.slDir)
+        TestExtVol.tearDown(self)
 
 if __name__ == '__main__':
-  unittest.main()
+    unittest.main()