thriftpy.load() can't accept unicode filename

[wooparadog]

how to reproduce

Python: 2.7

In [1]: import thriftpy

In [2]: thriftpy.load(u"note/note.thrift")
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-2-331150e98ce2> in <module>()
----> 1 thriftpy.load(u"note/note.thrift")

/Users/WooParadog/.virtualenvs/zeus_core/lib/python2.7/site-packages/thriftpy/parser/__init__.pyc in load(path, module_name, include_dirs, include_dir)
     28     real_module = bool(module_name)
     29     thrift = parse(path, module_name, include_dirs=include_dirs,
---> 30                    include_dir=include_dir)
     31
     32     if real_module:

/Users/WooParadog/.virtualenvs/zeus_core/lib/python2.7/site-packages/thriftpy/parser/parser.pyc in parse(path, module_name, include_dirs, include_dir, lexer, parser, enable_cache)
    504         module_name = os.path.splitext(basename)[0]
    505
--> 506     thrift = types.ModuleType(module_name)
    507     setattr(thrift, '__thrift_file__', path)
    508     thrift_stack.append(thrift)

TypeError: module.__init__() argument 1 must be string, not unicode