sublime text 2 的 git 插件无法 commit 怎么解决

[gyteng]

之前都没问题的，
现在每当写好commit点击ctrl + w时控制台就出现如下提示：

Traceback (most recent call last):
  File ".\sublime_plugin.py", line 180, in on_close
    callback.__module__, "on_close", EVENT_TIMEOUT)
  File ".\sublime_plugin.py", line 154, in run_timed_function
    ret = f()
  File ".\sublime_plugin.py", line 179, in <lambda>
    run_timed_function(lambda: callback.on_close(v),
  File ".\commit.py", line 153, in on_close
  File ".\commit.py", line 124, in message_done
TypeError: 'encoding' is an invalid keyword argument for this function