fix imports (#72)

trezorlib/client.py

@@ -1,4 +1,4 @@
-from __future__ import print_function
+from __future__ import print_function, absolute_import
 
 import os
 import sys

trezorlib/transport.py

@@ -1,5 +1,7 @@
+from __future__ import absolute_import
+
 import struct
-import mapping
+from . import mapping
 import binascii
 
 class NotImplementedException(Exception):

trezorlib/transport_pipe.py

@@ -1,7 +1,7 @@
 from __future__ import print_function
 import os
 from select import select
-from transport import TransportV1
+from .transport import TransportV1
 
 """PipeTransport implements fake wire transport over local named pipe.
 Use this transport for talking with trezor simulator."""