I get this error too when running the 'Contest Criteria Check' notebook:
0% ETA: --:--:--| |
ValueErrorTraceback (most recent call last)
in ()
1 # Replace the string below with your backtest ID.
----> 2 bt = get_backtest('[removed]')
/build/src/qexec_repo/qexec/research/api.py in get_backtest(backtest_id)
116 client.get_sqlbacktest(backtest_id),
117 progress_bar,
--> 118 backtest_id,
119 )
120
/build/src/qexec_repo/qexec/research/results.py in from_stream(cls, result_iterator, progress_bar, algo_id)
591 risk_packet = None
592
--> 593 for msg in result_iterator:
594 prefix, payload = msg['prefix'], msg['payload']
595
/build/src/qexec_repo/qexec/research/web/client.py in get_sqlbacktest(self, backtest_id)
132 with closing(resp):
133 for msg in resp.iter_lines():
--> 134 yield loads(msg)
135
136 def _make_get_live_algo_request(self, live_algo_id):
/usr/lib/python2.7/json/init.pyc in loads(s, encoding, cls, object_hook, parse_float, parse_int, parse_constant, object_pairs_hook, **kw)
337 parse_int is None and parse_float is None and
338 parse_constant is None and object_pairs_hook is None and not kw):
--> 339 return _default_decoder.decode(s)
340 if cls is None:
341 cls = JSONDecoder
/usr/lib/python2.7/json/decoder.pyc in decode(self, s, _w)
362
363 """
--> 364 obj, end = self.raw_decode(s, idx=_w(s, 0).end())
365 end = _w(s, end).end()
366 if end != len(s):
/usr/lib/python2.7/json/decoder.pyc in raw_decode(self, s, idx)
380 obj, end = self.scan_once(s, idx)
381 except StopIteration:
--> 382 raise ValueError("No JSON object could be decoded")
383 return obj, end
ValueError: No JSON object could be decoded