diff --git a/OpenSSL/tsafe.py b/OpenSSL/tsafe.py
index 28df8cb..ba17d73 100644
--- a/OpenSSL/tsafe.py
+++ b/OpenSSL/tsafe.py
@@ -6,6 +6,7 @@
 _RLock = threading.RLock
 del threading
 
+
 class Connection:
     def __init__(self, *args):
         self._ssl_conn = _ssl.Connection(*args)
@@ -16,9 +17,9 @@
               'setblocking', 'fileno', 'shutdown', 'close', 'get_cipher_list',
               'getpeername', 'getsockname', 'getsockopt', 'setsockopt',
               'makefile', 'get_app_data', 'set_app_data', 'state_string',
-              'sock_shutdown', 'get_peer_certificate', 'get_peer_cert_chain', 'want_read',
-              'want_write', 'set_connect_state', 'set_accept_state',
-              'connect_ex', 'sendall'):
+              'sock_shutdown', 'get_peer_certificate', 'get_peer_cert_chain',
+              'want_read', 'want_write', 'set_connect_state',
+              'set_accept_state', 'connect_ex', 'sendall'):
         exec("""def %s(self, *args):
             self._lock.acquire()
             try: