Make all Python pass pyflakes

This found one bug, but will also help us with Jenkins testing of these scripts

Change-Id: Iabe171645c06f769957db7cf0def1d10a0e47988

close_pull_requests.py

@@ -29,7 +29,6 @@
 
 import github2.client
 import os
-import StringIO
 import ConfigParser
 import logging
 import re

expire_old_reviews.py

@@ -18,7 +18,6 @@
 # 1. if open and no activity in 2 weeks, expire
 # 2. if negative comment and no activity in 1 week, expire
 
-import os
 import paramiko
 import json
 import logging

fetch_remotes.py

@@ -20,16 +20,13 @@
 # remote = https://gerrit.googlesource.com/gerrit
 
 import ConfigParser
-import StringIO
 import logging
 import os
 import re
 import subprocess
-
+import shlex
 
 def run_command(cmd, status=False, env={}):
-    if VERBOSE:
-        print datetime.datetime.now(), "Running:", cmd
     cmd_list = shlex.split(str(cmd))
     newenv = os.environ
     newenv.update(env)

update_cla_group.py

@@ -15,16 +15,10 @@
 
 # Add launchpad ids listed in the wiki CLA page to the CLA group in LP.
 
-import os
-import sys
-import uuid
 import os
 import urllib
 import re
 
-import StringIO
-import ConfigParser
-
 from launchpadlib.launchpad import Launchpad
 from launchpadlib.uris import LPNET_SERVICE_ROOT
 

update_gerrit_users.py

@@ -19,7 +19,6 @@ import os
 import sys
 import fcntl
 import uuid
-import os
 import subprocess
 
 from datetime import datetime
@@ -42,6 +41,9 @@ from openid.cryptutil import randomString
 
 DEBUG = False
 
+# suppress pyflakes
+pkg_resources.get_supported_platform()
+
 pid_file = '/tmp/update_gerrit_users.pid'
 fp = open(pid_file, 'w')
 try:

update_users.py

@@ -19,6 +19,7 @@
 # 2. split out the two classes into separate files to be used as a library
 
 import os
+import sys
 import ConfigParser
 import StringIO
 import paramiko
@@ -301,7 +302,7 @@ class GerritAction(object):
       user_ssh_keys= ["%s %s %s" % ('ssh-%s' % key.keytype.lower(), key.keytext, key.comment) for key in user_data.sshkeys]
       user_email= None
       try:
-        email = user_data.preferred_email_address.email
+        user_email = user_data.preferred_email_address.email
       except ValueError:
         pass
       query= "insert into account_id (s) values (NULL)"