some fixes discovered with pyflakes

gunicorn/app/base.py

@@ -4,15 +4,14 @@
 # See the NOTICE for more information.
 
 import logging
-import optparse
 import os
+import sys
 import traceback
 
-from gunicorn import __version__
 from gunicorn import util
 from gunicorn.arbiter import Arbiter
 from gunicorn.config import Config
-from gunicorn.debug import spew
+from gunicorn import debug
 
 class Application(object):
     """\

gunicorn/app/djangoapp.py

@@ -9,7 +9,6 @@ import sys
 from django.core.handlers.wsgi import WSGIHandler
 from django.core.servers.basehttp import AdminMediaHandler, WSGIServerException
 
-from gunicorn import util
 from gunicorn.config import Config
 from gunicorn.app.base import Application
 

gunicorn/arbiter.py

@@ -5,7 +5,6 @@
 
 from __future__ import with_statement
 
-import copy
 import errno
 import logging
 import os
@@ -17,7 +16,6 @@ import traceback
 
 from gunicorn.pidfile import Pidfile
 from gunicorn.sock import create_socket
-from gunicorn.workers.sync import SyncWorker
 from gunicorn import util
 
 class Arbiter(object):

gunicorn/config.py

@@ -11,7 +11,6 @@ import inspect
 import optparse
 import os
 import pwd
-import sys
 import textwrap
 import types
 
@@ -90,7 +89,7 @@ class Config(object):
         group = self.settings['group'].get()
         if not group:
             return os.getegid()
-        elif group.isdigit() or isinstance(user, int):
+        elif group.isdigit() or isinstance(group, int):
             return int(group)
         else:
             return grp.getgrnam(group).gr_gid

gunicorn/management/commands/run_gunicorn.py

@@ -5,7 +5,6 @@
 
 from optparse import make_option
 import sys
-import os
 
  
 import django
@@ -13,7 +12,6 @@ from django.core.management.base import BaseCommand, CommandError
 from django.conf import settings
 from django.utils import translation
 
-from gunicorn.config import Config
 from gunicorn.app.djangoapp import DjangoApplicationCommand
  
 class Command(BaseCommand):

gunicorn/util.py

@@ -226,7 +226,7 @@ def daemonize():
         else:
             os._exit(0)
         
-        maxfd = util.get_maxfd()
+        maxfd = get_maxfd()
 
         # Iterate through and close all file descriptors.
         for fd in range(0, maxfd):
@@ -235,6 +235,6 @@ def daemonize():
             except OSError:	# ERROR, fd wasn't open to begin with (ignored)
                 pass
         
-        os.open(util.REDIRECT_TO, os.O_RDWR)
+        os.open(REDIRECT_TO, os.O_RDWR)
         os.dup2(0, 1)
         os.dup2(0, 2)