IndexError when parsing 'e and e'

[fjsj]

from nameparser import HumanName
HumanName('e and e')

gives:

---------------------------------------------------------------------------
IndexError                                Traceback (most recent call last)
<ipython-input-11-7c118e4228d6> in <module>()
----> 1 HumanName('e and e')

/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/nameparser/parser.pyc in __init__(self, full_name, constants, encoding, string_format)
     79         self.string_format = string_format or self.C.string_format
     80         # full_name setter triggers the parse
---> 81         self.full_name = full_name
     82 
     83     def __iter__(self):

/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/nameparser/parser.pyc in full_name(self, value)
    357         if isinstance(value, binary_type):
    358             self._full_name = value.decode(self.ENCODING)
--> 359         self.parse_full_name()
    360 
    361     def collapse_whitespace(self, string):

/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/nameparser/parser.pyc in parse_full_name(self)
    452             #            part[0]
    453 
--> 454             pieces = self.parse_pieces(parts)
    455             p_len = len(pieces)
    456             for i, piece in enumerate(pieces):

/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/nameparser/parser.pyc in parse_pieces(self, parts, additional_parts_count)
    616                     continue
    617 
--> 618         return self.join_on_conjunctions(output, additional_parts_count)
    619 
    620     def join_on_conjunctions(self, pieces, additional_parts_count=0):

/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/nameparser/parser.pyc in join_on_conjunctions(self, pieces, additional_parts_count)
    694             if i is 0:
    695                 new_piece = " ".join(pieces[i:i+2])
--> 696                 if self.is_title(pieces[i+1]):
    697                     # when joining to a title, make new_piece a title too
    698                     self.C.titles.add(new_piece)

IndexError: list index out of range