Python event log analyzer tool: fix of indexing issue.

webrtc/tools/py_event_log_analyzer/misc_test.py

 #!/usr/bin/env python
 #  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
 #
 #  Use of this source code is governed by a BSD-style license
 #  that can be found in the LICENSE file in the root of the source
 #  tree. An additional intellectual property rights grant can be found
 #  in the file PATENTS.  All contributing project authors may
 #  be found in the AUTHORS file in the root of the source tree.
 
 """Run the tests with
 
       python misc_test.py
 or
       python3 misc_test.py
 """
 
 from __future__ import division
 import random
 import unittest
 
 import misc
 
 
 class TestMisc(unittest.TestCase):
-
   def testUnwrapMod3(self):
     data = [0, 1, 2, 0, -1, -2, -3, -4]
     unwrapped_3 = misc.unwrap(data, 3)
     self.assertEqual([0, 1, 2, 3, 2, 1, 0, -1], unwrapped_3)
 
   def testUnwrapMod4(self):
     data = [0, 1, 2, 0, -1, -2, -3, -4]
     unwrapped_4 = misc.unwrap(data, 4)
     self.assertEqual([0, 1, 2, 0, -1, -2, -3, -4], unwrapped_4)
 
@@ skipping 28 matching lines @@
   def testRandomlyDataShouldNotChangeAfterUnwrap(self):
     random_data = [random.randint(0, 9) for _ in range(100)]
     random_data_copy = random_data[:]
     for mod in range(1, 100):
       _ = misc.unwrap(random_data, mod)
 
       self.assertEqual(random_data, random_data_copy)
 
 if __name__ == "__main__":
   unittest.main()