better little info but do not fail on imdbpro locked imdb pages

scrapeit/imdb.py

@@ -8,7 +8,6 @@ import re, time
 import os
 import time
 
-from elementtree.ElementTree import parse, tostring
 from BeautifulSoup import BeautifulSoup
 
 from google import google
@@ -412,16 +411,18 @@ class IMDb:
 
   def parseReleaseinfo(self):
     soup = BeautifulSoup(self.getReleaseinfo())
-    for row in soup('table',{'border': '0', 'cellpadding':'2'})[0]('tr'):
-      d = row('td', {'align':'right'})
-      if d:
-        try:
-          possible_date = stripTags(str(d[0])).strip()
-          rdate = time.strptime(possible_date, "%d %B %Y")
-          rdate = time.strftime('%Y-%m-%d', rdate)
-          return rdate
-        except:
-          pass
+    info = soup('table',{'border': '0', 'cellpadding':'2'})
+    if info:
+      for row in info[0]('tr'):
+        d = row('td', {'align':'right'})
+        if d:
+          try:
+            possible_date = stripTags(str(d[0])).strip()
+            rdate = time.strptime(possible_date, "%d %B %Y")
+            rdate = time.strftime('%Y-%m-%d', rdate)
+            return rdate
+          except:
+            pass
     return None
     
   def getBusiness(self, forcereload = False):