Fix import

Author: giampaolo

pyftpdlib/handlers/ftp/control.py

@@ -5,16 +5,20 @@
 import asynchat
 import errno
 import glob
-import grp
 import logging
 import os
-import pwd
 import socket
 import sys
 import time
 import traceback
 from datetime import datetime
 
+try:
+    import grp
+    import pwd
+except ImportError:
+    pwd = grp = None
+
 from pyftpdlib import __ver__
 from pyftpdlib.authorizers import DummyAuthorizer
 from pyftpdlib.exceptions import AuthenticationFailed