import os
import sys
import pprint
-from types import StringTypes
from email.MIMEText import MIMEText
from email.Header import Header
from smtplib import SMTP
s.close()
if rejected:
- raise PLCAPIError, "Error sending message to " + ", ".join(rejected.keys())
+ raise PLCAPIError("Error sending message to " + ", ".join(list(rejected.keys())))