Removed unused import. Thanks, jarek.zgoda.

git-svn-id: https://pysolr.googlecode.com/svn/trunk@12 13ae9d4a-4d43-0410-997b-81b7443f7ec1

pysolr.py

@@ -104,7 +104,7 @@
 from urllib import urlencode
 from urlparse import urlsplit
 from datetime import datetime, date
-from time import strptime, strftime
+from time import strptime
 try:
     # for python 2.5
     from xml.etree import ElementTree