ParseError when trying to translate a module

Using past to load a Python2 library, as:

from past import autotranslate
autotranslate(['chrono'])
import chrono

After installing it:

pip install git+git://github.com/wanasit/chrono-python.git

Throws this error:

Traceback (most recent call last): File "/Users/admin/dev/deep-grammar/utils/delex.py", line 5, in import chrono File "", line 971, in _find_and_load File "", line 955, in _find_and_load_unlocked File "", line 656, in _load_unlocked File "", line 626, in _load_backward_compatible File "/anaconda3/envs/deep-grammar/lib/python3.6/site-packages/past/translation/init.py", line 413, in load_module exec(code, mod.dict) File "/anaconda3/envs/deep-grammar/lib/python3.6/lib2to3/fixes/fix_itertools.py", line 1, in """ Fixer for itertools.(imap|ifilter|izip) --> (map|filter|zip) and File "", line 971, in _find_and_load File "", line 955, in _find_and_load_unlocked File "", line 656, in _load_unlocked File "", line 626, in _load_backward_compatible File "/anaconda3/envs/deep-grammar/lib/python3.6/site-packages/past/translation/init.py", line 413, in load_module exec(code, mod.dict) File "/anaconda3/envs/deep-grammar/lib/python3.6/site-packages/chrono/Chrono.py", line 8, in from parsed_result import ParsedResult File "", line 971, in _find_and_load File "", line 955, in _find_and_load_unlocked File "", line 656, in _load_unlocked File "", line 626, in _load_backward_compatible File "/anaconda3/envs/deep-grammar/lib/python3.6/site-packages/past/translation/init.py", line 413, in load_module exec(code, mod.dict) File "/anaconda3/envs/deep-grammar/lib/python3.6/site-packages/chrono/options.py", line 7, in from parsers.en import ENMonthNameMiddleEndianParser File "", line 971, in _find_and_load File "", line 955, in _find_and_load_unlocked File "", line 656, in _load_unlocked File "", line 626, in _load_backward_compatible File "/anaconda3/envs/deep-grammar/lib/python3.6/site-packages/past/translation/init.py", line 396, in load_module if detect_python2(source, self.pathname): File "/anaconda3/envs/deep-grammar/lib/python3.6/site-packages/past/translation/init.py", line 213, in detect_python2 tree = RTs._rt_py2_detect.refactor_string(source, pathname) File "/anaconda3/envs/deep-grammar/lib/python3.6/lib2to3/refactor.py", line 377, in refactor_string name, err.class.name, err) File "/anaconda3/envs/deep-grammar/lib/python3.6/lib2to3/refactor.py", line 374, in refactor_string tree = self.driver.parse_string(data) File "/anaconda3/envs/deep-grammar/lib/python3.6/lib2to3/pgen2/driver.py", line 107, in parse_string return self.parse_tokens(tokens, debug) File "/anaconda3/envs/deep-grammar/lib/python3.6/lib2to3/pgen2/driver.py", line 72, in parse_tokens if p.addtoken(type, value, (prefix, start)): File "/anaconda3/envs/deep-grammar/lib/python3.6/lib2to3/pgen2/parse.py", line 159, in addtoken raise ParseError("bad input", type, value, context) lib2to3.pgen2.parse.ParseError: bad input: type=0, value='', context=('\n', (7, 0))