diff --git a/commit_queue.py b/commit_queue.py
index 3f4e7b68d..d23cbd1ac 100755
--- a/commit_queue.py
+++ b/commit_queue.py
@@ -110,7 +110,8 @@ def gen_parser():
   """
   parser = optparse.OptionParser(version=__version__)
   # Remove description formatting
-  parser.format_description = lambda x: parser.description
+  parser.format_description = (
+      lambda _: parser.description)  # pylint: disable=E1101
   # Add common parsing.
   old_parser_args = parser.parse_args
 
diff --git a/my_reviews.py b/my_reviews.py
index 47db1da21..fc18b3565 100755
--- a/my_reviews.py
+++ b/my_reviews.py
@@ -302,7 +302,8 @@ def main():
       default='http://codereview.chromium.org',
       help='Host to use, default is %default')
   # Remove description formatting
-  parser.format_description = lambda x: parser.description
+  parser.format_description = (
+      lambda _: parser.description)  # pylint: disable=E1101
   options, args = parser.parse_args()
   if args:
     parser.error('Args unsupported')
diff --git a/subprocess2.py b/subprocess2.py
index e65186e76..99eebcc1a 100644
--- a/subprocess2.py
+++ b/subprocess2.py
@@ -182,7 +182,8 @@ class Popen(subprocess.Popen):
     fix('stderr')
 
     self.start = time.time()
-
+    # Silence pylint on MacOSX
+    self.returncode = None
     try:
       super(Popen, self).__init__(args, **kwargs)
     except OSError, e:
diff --git a/testing_support/fake_repos.py b/testing_support/fake_repos.py
index a5af11fe3..8bc4547dd 100755
--- a/testing_support/fake_repos.py
+++ b/testing_support/fake_repos.py
@@ -124,7 +124,7 @@ def wait_for_port_to_bind(host, port, process):
     # immediately, it fails with EINVAL and never gets a chance to
     # connect (putting us into a hard spin and then failing).
     # Linux doesn't need this.
-    time.sleep(0.1)
+    time.sleep(0.2)
 
   try:
     start = datetime.datetime.utcnow()
diff --git a/tests/subprocess2_test.py b/tests/subprocess2_test.py
index b0706aeb2..10290592d 100755
--- a/tests/subprocess2_test.py
+++ b/tests/subprocess2_test.py
@@ -125,9 +125,6 @@ class DefaultsTest(auto_stub.TestCase):
     # Cleanup code in subprocess.py needs this member to be set.
     # pylint: disable=W0201
     proc._child_created = None
-    # Since subprocess.Popen.__init__() is not called, proc.returncode shouldn't
-    # be present.
-    self.assertFalse(hasattr(proc, 'returncode'))
     expected = {
         'args': ['foo'],
         'a': True,