+Traceback (most recent call last):

+  File "argfileparser.py", line 3, in <module>

+    import yaml

+  File "/Library/Python/2.7/site-packages/yaml/__init__.py", line 8, in <module>

+    from loader import *

+  File "/Library/Python/2.7/site-packages/yaml/loader.py", line 4, in <module>

+    from reader import *

+  File "/Library/Python/2.7/site-packages/yaml/reader.py", line 45, in <module>

+    class Reader(object):

+  File "/Library/Python/2.7/site-packages/yaml/reader.py", line 137, in Reader

+    NON_PRINTABLE = re.compile(u'[^\x09\x0A\x0D\x20-\x7E\x85\xA0-\uD7FF\uE000-\uFFFD]')

+  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/re.py", line 194, in compile

+    return _compile(pattern, flags)

+  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/re.py", line 249, in _compile

+    p = sre_compile.compile(pattern, flags)

+  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/sre_compile.py", line 576, in compile

+    code = _code(p, flags)

+  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/sre_compile.py", line 558, in _code

+    _compile_info(code, p, flags)

+  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/sre_compile.py", line 536, in _compile_info

+    _compile_charset(charset, flags, code)

+  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/sre_compile.py", line 232, in _compile_charset

+    flags & SRE_FLAG_UNICODE):

+  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/sre_compile.py", line 386, in _optimize_charset

+    data[0:0] = [block] + _bytes_to_codes(mapping)

+  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/sre_compile.py", line 423, in _bytes_to_codes

+    a = array.array(code, bytes(b))