send line message by using line ID

line_send_msg_by_user_id.py

from line import LineClient, LineGroup, LineContact

try:
   client = LineClient("ID", "PASSWORD")
   print client.authToken #print authToken before error and use this login again
   #client = LineClient(authToken="AUTHTOKEN")
except:
   print "Login Failed"
   
lineID = "Enter target LineID"
try:
    target = client._client.findContactByUserid(lineID)
    c = LineContact(client, target)
    c.sendMessage("hello")
except:
    print("cant find LineID or your LineID is private ID")