--- a/circulate/sslc_science.py	Wed Apr 21 13:47:36 2010 +0530
+++ b/circulate/sslc_science.py	Fri Apr 23 08:49:25 2010 +0530
@@ -11,7 +11,12 @@
 
     score_str = fields[6].strip()
 
-    score = int(score_str) if score_str != 'AA' else 0
+#    score = int(score_str) if score_str != 'AA' else 0
+
+    if score_str != 'AA':
+        score = int(score_str)
+    else:
+        score = 0
 
     if score > 90:
         science[region_code] += 1