sublime text 2 的 git 插件无法 commit 怎么解决

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之前都没问题的，
现在每当写好commit点击ctrl + w时控制卖兄哗台就出现如中行下尘帆提示：
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

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