Silence pylint warnings.

tests/fake_repos.py

 #!/usr/bin/python
 # Copyright (c) 2010 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Generate fake repositories for testing."""
 
 import atexit
 import errno
 import logging
@@ skipping 341 matching lines @@
     repo_root = join(self.git_root, repo)
     self._genTree(repo_root, tree)
     commit_hash = commit_git(repo_root)
     if self.git_hashes[repo][-1]:
       new_tree = self.git_hashes[repo][-1][1].copy()
       new_tree.update(tree)
     else:
       new_tree = tree.copy()
     self.git_hashes[repo].append((commit_hash, new_tree))
 
+  def populateSvn(self):
+    raise NotImplementedError()
+
+  def populateGit(self):
+    raise NotImplementedError()
+
 
 class FakeRepos(FakeReposBase):
   """Implements populateSvn() and populateGit()."""
   NB_GIT_REPOS = 4
 
   def populateSvn(self):
     """Creates a few revisions of changes including DEPS files."""
     # Repos
     check_call(['svn', 'checkout', 'svn://127.0.0.1/svn', self.svn_root, '-q',
                 '--non-interactive', '--no-auth-cache',
@@ skipping 310 matching lines @@
 
 
 # Kind of hack.
 if '-l' in sys.argv:
   FakeRepos.SHOULD_LEAK = True
   sys.argv.remove('-l')
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))