Use relative imports always where possible

telethon/network/authenticator.py

@@ -1,10 +1,10 @@
 import os
 import time
 
-import telethon.helpers as utils
-from telethon.crypto import AES, RSA, AuthKey, Factorizator
-from telethon.network import MtProtoPlainSender
-from telethon.utils import BinaryReader, BinaryWriter
+from .. import helpers as utils
+from ..crypto import AES, RSA, AuthKey, Factorizator
+from ..network import MtProtoPlainSender
+from ..utils import BinaryReader, BinaryWriter
 
 
 def do_authentication(transport):

telethon/network/mtproto_plain_sender.py

@@ -1,7 +1,7 @@
 import random
 import time
 
-from telethon.utils import BinaryReader, BinaryWriter
+from ..utils import BinaryReader, BinaryWriter
 
 
 class MtProtoPlainSender:

telethon/network/mtproto_sender.py

@@ -3,14 +3,15 @@ from datetime import timedelta
 from threading import Event, RLock, Thread
 from time import sleep, time
 
-import telethon.helpers as utils
-from telethon.crypto import AES
-from telethon.errors import *
-from telethon.tl.all_tlobjects import tlobjects
-from telethon.tl.functions.updates import GetStateRequest
-from telethon.tl.types import MsgsAck
-from telethon.tl.functions import PingRequest
-from telethon.utils import BinaryReader, BinaryWriter
+from .. import helpers as utils
+from ..crypto import AES
+from ..errors import (BadMessageError, RPCError,
+                      InvalidDCError, ReadCancelledError)
+from ..tl.all_tlobjects import tlobjects
+from ..tl.functions import PingRequest
+from ..tl.functions.updates import GetStateRequest
+from ..tl.types import MsgsAck
+from ..utils import BinaryReader, BinaryWriter
 
 import logging
 logging.getLogger(__name__).addHandler(logging.NullHandler())

telethon/network/tcp_client.py

@@ -4,8 +4,8 @@ import time
 from datetime import datetime, timedelta
 from threading import Event, Lock
 
-from telethon.errors import ReadCancelledError
-from telethon.utils import BinaryWriter
+from ..errors import ReadCancelledError
+from ..utils import BinaryWriter
 
 
 class TcpClient:

telethon/network/tcp_transport.py

@@ -1,9 +1,9 @@
 from binascii import crc32
 from datetime import timedelta
 
-from telethon.errors import *
-from telethon.network import TcpClient
-from telethon.utils import BinaryWriter
+from ..errors import InvalidChecksumError
+from ..network import TcpClient
+from ..utils import BinaryWriter
 
 
 class TcpTransport: