error fixed in account browser
diff --git a/erpnext/accounts/page/accounts_browser/accounts_browser.py b/erpnext/accounts/page/accounts_browser/accounts_browser.py
index 18c7c76..56b79d1 100644
--- a/erpnext/accounts/page/accounts_browser/accounts_browser.py
+++ b/erpnext/accounts/page/accounts_browser/accounts_browser.py
@@ -35,7 +35,8 @@
 		currency = webnotes.conn.sql("select default_currency from `tabCompany` where name = %s", company)[0][0]
 		for each in acc:
 			bal = webnotes.conn.sql("select balance from `tabAccount Balance` \
-				where account = %s and period = %s", (each.get('value'), get_defaults('fiscal_year')))[0][0]
+				where account = %s and period = %s", (each.get('value'), get_defaults('fiscal_year')))
+			bal = bal and bal[0][0] or 0
 			each['balance'] = currency + ' ' + cstr(bal)
 		
 	return acc