error

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/user/anaconda3/lib/python3.6/site-packages/fastparquet/api.py", line 55, in __init__
    self._set_attrs()
  File "/home/user/anaconda3/lib/python3.6/site-packages/fastparquet/api.py", line 110, in _set_attrs
    self._read_partitions()
  File "/home/user/anaconda3/lib/python3.6/site-packages/fastparquet/api.py", line 142, in _read_partitions
    for key, v in cats.items()])
  File "/home/user/anaconda3/lib/python3.6/site-packages/fastparquet/api.py", line 142, in <listcomp>
    for key, v in cats.items()])
  File "/home/user/anaconda3/lib/python3.6/site-packages/fastparquet/api.py", line 141, in <listcomp>
    self.cats = OrderedDict([(key, list([val_to_num(x) for x in v]))
  File "/home/user/anaconda3/lib/python3.6/site-packages/fastparquet/util.py", line 48, in val_to_num
    return ast.literal_eval(x)
  File "/home/user/anaconda3/lib/python3.6/ast.py", line 48, in literal_eval
    node_or_string = parse(node_or_string, mode='eval')
  File "/home/user/anaconda3/lib/python3.6/ast.py", line 35, in parse
    return compile(source, filename, mode, PyCF_ONLY_AST)
  File "<unknown>", line 1
    2017-02-16 `