Largely reduce the number of pylint warnings and fix one typo.

watchlists.py

 #!/usr/bin/python
 # Copyright (c) 2009 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.
 
 """Watchlists
 
 Watchlists is a mechanism that allow a developer (a "watcher") to watch over
 portions of code that he is interested in. A "watcher" will be cc-ed to
 changes that modify that portion of code, thereby giving him an opportunity
@@ skipping 88 matching lines @@
     Args:
       paths: [path1, path2, ...]
 
     Returns:
       [u1@chromium.org, u2@gmail.com, ...]
     """
     watchers = set()  # A set, to avoid duplicates
     for path in paths:
       path = path.replace(os.sep, '/')
       for name, rule in self._defns.iteritems():
-        if name not in self._watchlists: continue
+        if name not in self._watchlists:
+          continue
         rex_str = rule.get('filepath')
-        if not rex_str: continue
+        if not rex_str:
+          continue
         if re.search(rex_str, path):
           map(watchers.add, self._watchlists[name])
     return list(watchers)
 
 
 def main(argv):
   # Confirm that watchlists can be parsed and spew out the watchers
   if len(argv) < 2:
     print "Usage (from the base of repo):"
     print "  %s [file-1] [file-2] ...." % argv[0]
     return 1
   wl = Watchlists(os.getcwd())
   watchers = wl.GetWatchersForPaths(argv[1:])
   print watchers
 
 
 if __name__ == '__main__':
   main(sys.argv)