[#145] Reformatted transaction package for PEP-8.

Author: todofixthis

iota/crypto/signing.py

@@ -16,6 +16,7 @@
 __all__ = [
     'KeyGenerator',
     'KeyIterator',
+    'normalize',
     'SignatureFragmentGenerator',
     'validate_signature_fragments',
 ]

iota/transaction/__init__.py

@@ -1,6 +1,6 @@
 # coding=utf-8
 from __future__ import absolute_import, division, print_function, \
-  unicode_literals
+    unicode_literals
 
 # Import symbols to package namespace, for backwards-compatibility with
 # PyOTA 1.1.x.