old_contents: #!env/bin/python
  from flask import Flask, render_template, request, redirect, url_for
  from flask_socketio import SocketIO, emit, join_room, leave_room
  from tweepy.streaming import StreamListener
  from tweepy import OAuthHandler
  from tweepy import Stream
  from gevent import monkey
  import logging
  
  
  app = Flask(__name__)
  app.config['SECRET_KEY'] = 'va_%r-jZ%Yl=3t9Q8ml[.Wu0!mT$Gy[gsgr/:>M8rm-]0fq`^<TK2L*x\dQW'
  log_stream = logging.StreamHandler()
  app.logger.addHandler(log_stream)
  app.logger.setLevel(logging.INFO)
  socketio = SocketIO(app)
  
  class TwitterListener(StreamListener):
  	def on_status(self, status):
  		hashtags = map(lambda t: '#' + t['text'].lower(), status.entities['hashtags'])
  		for hashtag in hashtags:
  			socketio.emit('tweets_update', {
  				'status': status.text,
  				'name': 'name',
  				'avatar': ''
  			}, room = hashtag)
  			app.logger.info('sent tweet on ' + hashtag)
  		return True
  	def on_error(self, status):
  		print status
  
  twitter_access_token = '178658388-CDwtvkSOOb3ikZXaVeDBlxzHwj0wEyQ5ntTPhs5n'
  twitter_access_token_secret = 'zJzQK6F00hwsG32STbITqvavbhYt5rtV6vZH69QbcKf8I'
  twitter_consumer_key = 'bWMmJpHklikmU3fbKemgmr40H'
  twitter_consumer_secret = 'MsAYHkqUuGi1bBWiTyiJiDdVCQ6DvYMt8ROsjJ1GFIFQCFP0Dp'
  
  twitter_listener = TwitterListener()
  twitter_auth = OAuthHandler(twitter_consumer_key, twitter_consumer_secret)
  twitter_auth.set_access_token(twitter_access_token, twitter_access_token_secret)
  twitter_stream = Stream(twitter_auth, twitter_listener)
  
  filters = {}
  
  def restart_stream():
  	twitter_stream.disconnect()
  	if len(tracks) > 0:
  		twitter_stream.filter(track = tracks, async = True)
  		tracks = [filter for filter in filters.keys()]
  		app.logger.info('started stream filter on [' + ', '.join(tracks) + ']')
  
  @app.route('/')
  def view_index():
  	return render_template('feed.html')
  
  @socketio.on('hashtag_unsubscribe')
  def ws_hashtag_unsubscribe(data):
  	hashtag = data['hashtag'].lower()
  	if hashtag != '':
  		leave_room(hashtag)
  		filters[hashtag] -= 1
  		if filters[hashtag] == 0:
  			filters.pop(hashtag, None)
  			restart_stream()
  		app.logger.info('left room ' + hashtag)
  
  @socketio.on('hashtag_subscribe')
  def ws_hashtag_subscribe(data):
  	hashtag = data['hashtag'].lower()
  	if not hashtag in filters:
  		filters[hashtag] = 1
  		restart_stream()
  	else:
  		filters[hashtag] += 1
  	join_room(hashtag)
  	app.logger.info('joined room ' + hashtag)
  
  if __name__ == '__main__':
  	socketio.run(app)
new_contents: #!env/bin/python
  from flask import Flask, render_template, request, redirect, url_for
  from flask_socketio import SocketIO, emit, join_room, leave_room
  from tweepy.streaming import StreamListener
  from tweepy import OAuthHandler
  from tweepy import Stream
  from gevent import monkey
  import logging
  
  
  app = Flask(__name__)
  app.config['SECRET_KEY'] = 'va_%r-jZ%Yl=3t9Q8ml[.Wu0!mT$Gy[gsgr/:>M8rm-]0fq`^<TK2L*x\dQW'
  log_stream = logging.StreamHandler()
  app.logger.addHandler(log_stream)
  app.logger.setLevel(logging.INFO)
  socketio = SocketIO(app)
  
  class TwitterListener(StreamListener):
  	def on_status(self, status):
  		hashtags = map(lambda t: '#' + t['text'].lower(), status.entities['hashtags'])
  		for hashtag in hashtags:
  			socketio.emit('tweets_update', {
  				'status': status.text,
  				'name': 'name',
  				'avatar': ''
  			}, room = hashtag)
  			app.logger.info('sent tweet on ' + hashtag)
  		return True
  	def on_error(self, status):
  		print status
  
  twitter_access_token = '178658388-CDwtvkSOOb3ikZXaVeDBlxzHwj0wEyQ5ntTPhs5n'
  twitter_access_token_secret = 'zJzQK6F00hwsG32STbITqvavbhYt5rtV6vZH69QbcKf8I'
  twitter_consumer_key = 'bWMmJpHklikmU3fbKemgmr40H'
  twitter_consumer_secret = 'MsAYHkqUuGi1bBWiTyiJiDdVCQ6DvYMt8ROsjJ1GFIFQCFP0Dp'
  
  twitter_listener = TwitterListener()
  twitter_auth = OAuthHandler(twitter_consumer_key, twitter_consumer_secret)
  twitter_auth.set_access_token(twitter_access_token, twitter_access_token_secret)
  twitter_stream = Stream(twitter_auth, twitter_listener)
  
  filters = {}
  
  def restart_stream():
  	twitter_stream.disconnect()
  	tracks = [filter for filter in filters.keys()]
  	if len(tracks) > 0:
  		twitter_stream.filter(track = tracks, async = True)
  		app.logger.info('started stream filter on [' + ', '.join(tracks) + ']')
  
  @app.route('/')
  def view_index():
  	return render_template('feed.html')
  
  @socketio.on('hashtag_unsubscribe')
  def ws_hashtag_unsubscribe(data):
  	hashtag = data['hashtag'].lower()
  	if hashtag != '':
  		leave_room(hashtag)
  		filters[hashtag] -= 1
  		if filters[hashtag] == 0:
  			filters.pop(hashtag, None)
  			restart_stream()
  		app.logger.info('left room ' + hashtag)
  
  @socketio.on('hashtag_subscribe')
  def ws_hashtag_subscribe(data):
  	hashtag = data['hashtag'].lower()
  	if not hashtag in filters:
  		filters[hashtag] = 1
  		restart_stream()
  	else:
  		filters[hashtag] += 1
  	join_room(hashtag)
  	app.logger.info('joined room ' + hashtag)
  
  if __name__ == '__main__':
  	socketio.run(app)
subject: fix syntax