old_contents: import redis
  import urlparse
  
  
  def redis_client(redis_url):
      r_url = urlparse.urlparse(redis_url)
      r_host = r_url.netloc.split(":")[0]
      r_port = int(r_url.netloc.split(":")[1])
      r_db = int(r_url.path[1:])
      pool = redis.ConnectionPool(
          max_connections=100,
          socket_timeout=10.0,
          socket_connect_timeout=30.0,
          socket_keepalive=True,
      )
      return redis.StrictRedis(host=r_host,
                               port=r_port,
                               db=r_db,
                               connection_pool=pool)
  
new_contents: import redis
  import urlparse
  
  
  def redis_client(redis_url):
      r_url = urlparse.urlparse(redis_url)
      r_host = r_url.netloc.split(":")[0]
      r_port = int(r_url.netloc.split(":")[1])
      r_db = int(r_url.path[1:])
      pool = redis.ConnectionPool(
          max_connections=100,
          host=r_host,
          port=r_port,
          db=r_db,
          socket_timeout=10.0,
          socket_connect_timeout=30.0,
          socket_keepalive=True,
      )
      return redis.StrictRedis(connection_pool=pool)
  
subject: Set redis connection info on the right class (the pool).