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Zipline
Gaurao Chavan
posted Mar 11, 2020

while running an algorithm in zipline, it is giving me an error as No JSON object could be decoded. Can you please guide me, what should i do to remove this error. I am pasting the output given in command prompt below:

(env_zipline) C:\Users\Gaurao>zipline run --bundle quantopian-quandl -f ab.py --start 2000-1-1 --end 2018-1-1 --output buyapple_out.pickle [2020-03-11 06:19:55.400000] INFO: Loader: Cache at C:\Users\Gaurao/.zipline\data\SPY_benchmark.csv does not have data from 2000-01-03 00:00:00+00:00 to 2017-12-29 00:00:00+00:00.

[2020-03-11 06:19:55.401000] INFO: Loader: Downloading benchmark data for 'SPY' from 1999-12-31 00:00:00+00:00 to 2017-12-29 00:00:00+00:00
Traceback (most recent call last):
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\Scripts\zipline-script.py", line 11, in
load_entry_point('zipline==1.3.0', 'console_scripts', 'zipline')()
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\click\core.py", line 764, in call
return self.main(*args, **kwargs)
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\click\core.py", line 717, in main
rv = self.invoke(ctx)
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\click\core.py", line 1137, in invoke
return process_result(sub_ctx.command.invoke(sub_ctx))
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\click\core.py", line 956, in invoke
return ctx.invoke(self.callback, **ctx.params)
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\click\core.py", line 555, in invoke
return callback(*args, **kwargs)
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\zipline_main.py", line 107, in _
return f(*args, **kwargs)
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\click\decorators.py", line 17, in new_func
return f(get_current_context(), *args, **kwargs)
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\zipline_main_.py", line 276, in run
blotter=blotter,
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\zipline\utils\run_algo.py", line 159, in run
trading_days=trading_calendar.schedule[start:end].index,
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\zipline\finance\trading.py", line 103, in init
self.bm_symbol,
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\zipline\data\loader.py", line 149, in load_market_data
environ,
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\zipline\data\loader.py", line 216, in ensure_benchmark_data
data = get_benchmark_returns(symbol)
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\zipline\data\benchmarks.py", line 35, in get_benchmark_returns
data = r.json()
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\site-packages\requests\models.py", line 808, in json
return complexjson.loads(self.text, **kwargs)
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\json_init.py", line 339, in loads
return _default_decoder.decode(s)
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\json\decoder.py", line 364, in decode
obj, end = self.raw_decode(s, idx=_w(s, 0).end())
File "C:\Users\Gaurao\Anaconda2\envs\env_zipline\lib\json\decoder.py", line 382, in raw_decode
raise ValueError("No JSON object could be decoded")
ValueError: No JSON object could be decoded

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