lint code

shadowsocks/crypto/m2.py

@@ -96,4 +96,4 @@ def test_rc4():
 
 
 if __name__ == '__main__':
-    test_aes_128_cfb()
+    test_aes_128_cfb()

shadowsocks/crypto/rc4_md5.py

@@ -67,4 +67,4 @@ def test():
 
 
 if __name__ == '__main__':
-    test()
+    test()

shadowsocks/crypto/salsa20_ctr.py

@@ -23,7 +23,6 @@
 from __future__ import absolute_import, division, print_function, \
     with_statement
 
-import time
 import struct
 import logging
 import sys