From 6a249c12e79cb8b2bd0e84018d88e12d7f12ce44 Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Sun, 20 Apr 2014 17:52:50 -0400
Subject: [PATCH] Save the files in binary mode to avoid mutating newlines.
 Fixes #44

---
 bumpversion/__init__.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/bumpversion/__init__.py b/bumpversion/__init__.py
index 50b3415..13bdc11 100644
--- a/bumpversion/__init__.py
+++ b/bumpversion/__init__.py
@@ -653,8 +653,8 @@ def main(original_args=None):
         ))))
 
         if not args.dry_run:
-            with io.open(path, 'wt', encoding='utf-8') as f:
-                f.write(after)
+            with io.open(path, 'wb') as f:
+                f.write(after.encode('utf-8'))
 
     commit_files = files