ValueError: too many values to unpack

[lod3456]

when trying to run the bot I get the below error.
bash-3.2$ python run_bot.py Traceback (most recent call last): File "run_bot.py", line 23, in <module> main() File "run_bot.py", line 19, in main bot = Bot() File "/usr/local/lib/python2.7/site-packages/slackbot/bot.py", line 25, in __init__ 'BOT_EMOJI') else None File "/usr/local/lib/python2.7/site-packages/slackbot/slackclient.py", line 37, in __init__ self.rtm_connect() File "/usr/local/lib/python2.7/site-packages/slackbot/slackclient.py", line 42, in rtm_connect self.parse_slack_login_data(reply) File "/usr/local/lib/python2.7/site-packages/slackbot/slackclient.py", line 65, in parse_slack_login_data proxy, proxy_port = os.environ['http_proxy'].split(':') ValueError: too many values to unpack