clean up imports

blockstack_client/operations/announce.py

@@ -22,11 +22,10 @@
 """
 
 from utilitybelt import is_hex
-from binascii import hexlify, unhexlify
 
-from ..b40 import b40_to_hex, bin_to_b40, is_b40
 from ..config import *
 from ..scripts import *
+from ..logger import get_logger
 
 import virtualchain
 log = get_logger("blockstack-client")