better zipfiles, do not fail if imdb does not return

scrapeit/imdb.py

@@ -390,12 +390,14 @@ def guess(title, director=''):
     if url.startswith('http://www.imdb.com/title/tt'):
       return url[28:35]
       
-  req = urllib2.Request(imdb_url, None, utils.DEFAULT_HEADERS)
-  u = urllib2.urlopen(req)
-  data = u.read()
-  return_url = u.url
-  u.close()
-
+  try:
+    req = urllib2.Request(imdb_url, None, utils.DEFAULT_HEADERS)
+    u = urllib2.urlopen(req)
+    data = u.read()
+    return_url = u.url
+    u.close()
+  except:
+    return None
   if return_url.startswith('http://www.imdb.com/title/tt'):
     return return_url[28:35]
   if data: