Unused imports removed

Author: coxx

src/tarantool/connection.py

@@ -6,7 +6,6 @@
 
 import ctypes
 import socket
-import sys
 import time
 
 from tarantool.response import Response
@@ -26,7 +25,7 @@
 class Connection(object):
     '''\
     Represents connection to the Tarantool server.
-    
+
     This class is responsible for connection and network exchange with the server.
     Also this class provides low-level interface to data manipulation (insert/delete/update/select).
     '''

src/tarantool/response.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 # pylint: disable=C0301,W0105,W0401,W0614
 
-import ctypes
 import struct
 import sys