Run as piped buffer doesn't work

Created by: phrolov

The error message is:

Traceback (most recent call last):
  File "C:\Program Files\Sublime Text 3\sublime_plugin.py", line 549, in run_
    return self.run(edit)
  File "ahkexec in C:\Users\fia\AppData\Roaming\Sublime Text 3\Installed Packages\AutoHotkey.sublime-package", line 96, in run
TypeError: 'NoneType' object is not subscriptable