Use correct file mode

sebastinas · sebastinas · commit 254aeaf76712 · 2015-01-11T18:02:49.000+01:00
Signed-off-by: Sebastian Ramacher &lt;sebastian+dev@ramacher.at&gt;
diff --git a/bpython/history.py b/bpython/history.py
@@ -204,7 +204,7 @@ def append_reload_and_write(self, s, filename, encoding):
             return self.append(s)
 
         try:
-            with codecs.open(filename, 'rw+', encoding, 'ignore') as hfile:
+            with codecs.open(filename, 'a+', encoding, 'ignore') as hfile:
                 with FileLock(hfile) as lock:
                     # read entries
                     hfile.seek(0, os.SEEK_SET)
