Avoid ResourceWarnings in Python 3.

Author: A. Jesse Jiryu Davis

test/test_pooling_base.py

@@ -1018,7 +1018,7 @@ def get_pool_with_wait_queue_timeout(self, wait_queue_timeout):
  def test_wait_queue_timeout(self):
  wait_queue_timeout = 2 # Seconds
  pool = self.get_pool_with_wait_queue_timeout(wait_queue_timeout)
- pool.get_socket()
+ sock_info = pool.get_socket()
  start = time.time()
  self.assertRaises(ConnectionFailure, pool.get_socket)
  duration = time.time() - start
@@ -1027,6 +1027,8 @@ def test_wait_queue_timeout(self):
  "Waited %.2f seconds for a socket, expected %f" % (
  duration, wait_queue_timeout))
 
+ sock_info.close()
+
  def test_blocking(self):
  # Verify get_socket() with no wait_queue_timeout blocks forever.
  pool = self.get_pool_with_wait_queue_timeout(None)
@@ -1046,6 +1048,7 @@ def test_blocking(self):
 
  self.assertEqual(t.state, 'sock')
  self.assertEqual(t.sock, s1)
+ s1.close()
 
 
 class _TestWaitQueueMultiple(_TestPoolingBase):
@@ -1064,8 +1067,8 @@ def test_wait_queue_multiple(self):
  pool = self.get_pool_with_wait_queue_multiple(3)
 
  # Reach max_size sockets.
- pool.get_socket()
- pool.get_socket()
+ socket_info_0 = pool.get_socket()
+ socket_info_1 = pool.get_socket()
 
  # Reach max_size * wait_queue_multiple waiters.
  threads = []
@@ -1079,6 +1082,8 @@ def test_wait_queue_multiple(self):
  self.assertEqual(t.state, 'get_socket')
 
  self.assertRaises(ExceededMaxWaiters, pool.get_socket)
+ socket_info_0.close()
+ socket_info_1.close()
 
  def test_wait_queue_multiple_unset(self):
  pool = self.get_pool_with_wait_queue_multiple(None)
@@ -1095,6 +1100,9 @@ def test_wait_queue_multiple_unset(self):
  for t in threads:
  self.assertEqual(t.state, 'get_socket')
 
+ for socket_info in socks:
+ socket_info.close()
+
 
 class _TestPoolSocketSharing(_TestPoolingBase):
  """Directly test that two simultaneous operations don't share a socket. To