old_contents: # -*- coding: utf-8 -*-
  from linepy import *
  
  client = LineClient()
  #client = LineClient(authToken='AUTHTOKEN')
  
  client.log("Auth Token : " + str(client.authToken))
  
  # Initialize LineChannel with LineClient
  # This channel id is Timeline channel
  channel = LineChannel(client, channel_id="1341209950")
  client.log("Channel Access Token : " + str(channel.channelAccessToken))
new_contents: # -*- coding: utf-8 -*-
  from linepy import *
  
  client = LineClient()
  #client = LineClient(authToken='AUTHTOKEN')
  
  client.log("Auth Token : " + str(client.authToken))
  
  # Initialize LineChannel with LineClient
  # This channel id is Timeline channel
  channel = LineChannel(client, channelId="1341209950")
  client.log("Channel Access Token : " + str(channel.channelAccessToken))
  
subject: Change channel_id to new channelId param