updated to check rows returned

seafile-ldap.py

@@ -169,8 +169,9 @@ for ldapUser in ldapUsers:
     query = ("SELECT * FROM LDAPUsers WHERE email = '{0}'".format(ldapUser.mail))
     logger.debug("Query: {0}".format(query))
     cursor.execute(query)
+    row_count = cursor.rowcount
     sqlLDAPuser = cursor.fetchall()
-    if isinstance(sqlLDAPuser[0], int):
+    if row_count == 1:
         # User is in the sql table
         # are they active
         is_active = bool(sqlLDAPuser[4])