I can't commit anything in sketch file
### How did it happen?
I can't commit anything, but the 'push' and 'A file to git' function works

### Error log

```
/Users/LuoJieLiang/.bash_profile: line 12: /Users/LuoJieLiang/.node/lib/node_modules/npm/lib/utils/completion.sh: No such file or directory
/Users/LuoJieLiang/.bash_profile: line 13: /Users/LuoJieLiang/.node/lib/node_modules/npm/lib/utils/completion.sh: No such file or directory
  File "<string>", line 1
    import urllib;print urllib.quote(raw_input())
                             ^
SyntaxError: invalid syntax
/bin/bash: shell_session_update: command not found

```