message: Update the coding style
diff: @@ -46,7 +46,7 @@ class MatchingFilesDatasetTest(test_base.DatasetTestBase):
  open(os.path.join(self.tmp_dir, filename), 'a').close()
  def testEmptyDirectory(self):
  - """Test the matchingfiles dataset with an empty directory"""
  + """Test the MatchingFiles dataset with an empty directory"""
  dataset = MatchingFilesDataset(os.path.join(self.tmp_dir, '*'))
  with self.cached_session() as sess:
  @@ -55,7 +55,7 @@ class MatchingFilesDatasetTest(test_base.DatasetTestBase):
  sess.run(next_element)
  def testSimpleDirectory(self):
  - """Test the matchingfiles dataset with a simple directory"""
  + """Test the MatchingFiles dataset with a simple directory"""
  filenames = ['a', 'b', 'c']
  self._touchTempFiles(filenames)
  @@ -76,7 +76,7 @@ class MatchingFilesDatasetTest(test_base.DatasetTestBase):
  sess.run(next_element)
  def testFileSuffixes(self):
  - """Test the matchingfiles dataset using the suffixes of filename"""
  + """Test the MatchingFiles dataset using the suffixes of filename"""
  filenames = ['a.txt', 'b.py', 'c.py', 'd.pyc']
  self._touchTempFiles(filenames)
  @@ -96,7 +96,7 @@ class MatchingFilesDatasetTest(test_base.DatasetTestBase):
  sess.run(next_element)
  def testFileMiddles(self):
  - """Test the matchingfiles dataset using the middles of filename"""
  + """Test the MatchingFiles dataset using the middles of filename"""
  filenames = ['a.txt', 'b.py', 'c.pyc']
  self._touchTempFiles(filenames)
  @@ -116,7 +116,7 @@ class MatchingFilesDatasetTest(test_base.DatasetTestBase):
  sess.run(next_element)
  def testNestedDirectories(self):
  - """Test the matchingfiles dataset with nested directories"""
  + """Test the MatchingFiles dataset with nested directories"""
  filenames = []
  width = 8
  