Remove incorrect Return True.  Nothing uses the output of this function anyway.

BUG=chromium-os:20173
TEST=Unittest

Change-Id: I40028fda69e3c4588e1e61f49e01e439d8efb7a3
Reviewed-on: http://gerrit.chromium.org/gerrit/7388
Tested-by: Chris Sosa <sosa@chromium.org>
Reviewed-by: Ryan Cui <rcui@chromium.org>
diff --git a/buildbot/validation_pool.py b/buildbot/validation_pool.py
index 6cb479d..c9b2f17 100644
--- a/buildbot/validation_pool.py
+++ b/buildbot/validation_pool.py
@@ -166,8 +166,6 @@
   def SubmitPool(self):
     """Commits changes to Gerrit from Pool.
 
-    Returns:
-      True if we were able to do submit the changes.
     Raises:
       TreeIsClosedException: if the tree is closed.
     """
@@ -180,7 +178,6 @@
           change.HandleCouldNotSubmit(self.gerrit_helper,
                                       dryrun=self.dryrun)
           # TODO(sosa): Do we re-raise?
-        return True
     else:
       raise TreeIsClosedException()
 
diff --git a/buildbot/validation_pool_unittest.py b/buildbot/validation_pool_unittest.py
index d494a99..ace6b96 100755
--- a/buildbot/validation_pool_unittest.py
+++ b/buildbot/validation_pool_unittest.py
@@ -1,3 +1,5 @@
+#!/usr/bin/python
+
 # Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.