twitter_streams.py

from tweepy import OAuthHandler, Stream
from tweepy.streaming import StreamListener

class Listener(StreamListener):

  def on_data(self, data):
    print data
    return True

  def on_error(self, status):
    print status

auth = OAuthHandler(consumer_key, consumer_secret)
auth.set_access_token(access_token, access_token_secret)

twitter_stream = Stream(auth, Listener())
twitter_stream.filter(track=['car'])