Enter a description of the change.

Add back support for python 2.4.

Looks like a few slaves haven't been updated yet.

TBR=bradnelson
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3338017

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@58820 0039d316-1c4b-4281-b951-d872f2087c98

gclient_utils.py

@@ -298,10 +298,13 @@ class StdoutAutoFlush(object):
     """Thread-safe."""
     self.stdout.write(out)
     should_flush = False
-    with self.lock:
+    self.lock.acquire()
+    try:
       if (time.time() - self.last_flushed_at) > self.delay:
         should_flush = True
         self.last_flushed_at = time.time()
+    finally:
+      self.lock.release()
     if should_flush:
       self.stdout.flush()