optimize imports

sleekxmpp/thirdparty/socks.py

@@ -13,7 +13,7 @@ are permitted provided that the following conditions are met:
 3. Neither the name of Dan Haim nor the names of his contributors may be used
    to endorse or promote products derived from this software without specific
    prior written permission.
-   
+
 THIS SOFTWARE IS PROVIDED BY DAN HAIM "AS IS" AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
@@ -28,9 +28,6 @@ OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMANGE.
 This module provides a standard socket-like interface for Python
 for tunneling connections through SOCKS proxies.
 
-"""
-
-"""
 
 Minor modifications made by Christopher Gilbert (http://motomastyle.com/)
 for use in PyLoris (http://pyloris.sourceforge.net/)
@@ -42,7 +39,6 @@ mainly to merge bug fixes found in Sourceforge
 
 import socket
 import struct
-import sys
 
 PROXY_TYPE_SOCKS4 = 1
 PROXY_TYPE_SOCKS5 = 2