updated prepared query

seafile-ldap.py

@@ -167,8 +167,8 @@ for ldapUser in ldapUsers:
     cnx = mysql.connector.connect(**dbconfig)
     logger.debug("SQL Connection: {0}".format(cnx))
     cursor = cnx.cursor()
-    query = ("SELECT * FROM LDAPUsers WHERE email = %s")
-    cursor.executemany(query, (ldapUser.mail,))
+    query = ("SELECT * FROM LDAPUsers WHERE email = {0}".format(ldapUser.mail))
+    cursor.execute(query)
     sqlLDAPuser = cursor.fetchall()
     print(sqlLDAPuser)
     break