fix import (add missing, remove useless)

src/common/connection.py

@@ -26,10 +26,7 @@
 ##
 
 
-import sys
 import os
-import time
-import traceback
 import random
 random.seed()
 

src/common/connection_handlers.py

@@ -22,6 +22,7 @@ import time
 import base64
 import sha
 import socket
+import sys
 
 from calendar import timegm
 

src/common/helpers.py

@@ -20,14 +20,12 @@ import sre
 import os
 import urllib
 import errno
+import select
 import sys
-import stat
 import sha
-from pysqlite2 import dbapi2 as sqlite
 from encodings.punycode import punycode_encode
 
 import gajim
-import logger
 import i18n
 from xmpp_stringprep import nodeprep, resourceprep, nameprep
 

src/gajim.py

@@ -94,7 +94,6 @@ import sre
 import signal
 import getopt
 import time
-import threading
 import math
 
 import gtkgui_helpers