Get an exception

[wildeyes]

Determined language: 'javascript'
Traceback (most recent call last):
  File "/Applications/Sublime Text.app/Contents/MacOS/sublime_plugin.py", line 818, in run_
    return self.run(edit)
  File "ExpandRegion in /Users/wie/Library/Application Support/Sublime Text 3/Installed Packages/ExpandRegion.sublime-package", line 78, in run
  File "expand_region_handler in /Users/wie/Library/Application Support/Sublime Text 3/Installed Packages/ExpandRegion.sublime-package", line 23, in expand
  File "javascript in /Users/wie/Library/Application Support/Sublime Text 3/Installed Packages/ExpandRegion.sublime-package", line 45, in expand
  File "expand_to_semantic_unit in /Users/wie/Library/Application Support/Sublime Text 3/Installed Packages/ExpandRegion.sublime-package", line 75, in expand_to_semantic_unit
AttributeError: 'module' object has no attribute 'trim'

Installed from package control. The module on line 75 is utils, what could cause it to not be able to load? how can i debug this?