请问为何跑2012年前数据就会出错？
Traceback (most recent call last):
File "jqboson/core/entry.py", line 340, in _run
engine.start()
File "jqboson/core/engine.py", line 206, in start
self._start()
File "jqboson/core/engine.py", line 235, in _start
self._dispatcher.start()
File "jqboson/core/dispatcher.py", line 206, in start
self._loop()
File "jqboson/core/dispatcher.py", line 186, in _loop
self._event_bus.emit(ev[1])
File "jqboson/core/bus.py", line 35, in emit
ret.append(call(event))
File "jqboson/core/strategy.py", line 251, in _wrapper
return cb(self._context.strategy_environment.strategy_context)
File "user_code.py", line 68, in trade
model = svr.fit(X, Y)
File "sklearn/svm/base.py", line 151, in fit
X, y = check_X_y(X, y, dtype=np.float64, order='C', accept_sparse='csr')
File "sklearn/utils/validation.py", line 521, in check_X_y
ensure_min_features, warn_on_dtype, estimator)
File "sklearn/utils/validation.py", line 416, in check_array
context))
ValueError: Found array with 0 sample(s) (shape=(0, 34)) while a minimum of 1 is required.
2010-01-01 00:00:00 - WARNING - /opt/conda/envs/kuanke/lib/python2.7/site-packages/sklearn/externals/joblib/_multiprocessing_helpers.py:28: UserWarning: [Errno 13] Permission denied. joblib will operate in serial mode
warnings.warn('%s. joblib will operate in serial mode' % (e,))
2010-01-04 09:30:00 - WARNING - /opt/conda/envs/kuanke/lib/python2.7/site-packages/sqlalchemy/sql/default_comparator.py:153: SAWarning: The IN-predicate on "stock_valuation.code" was invoked with an empty sequence. This results in a contradiction, which nonetheless can be expensive to evaluate. Consider alternative strategies for improved performance.
'strategies for improved performance.' % expr)
2010-01-04 09:30:00 - ERROR - Traceback (most recent call last):
File "jqboson/core/entry.py", line 340, in _run
engine.start()
File "jqboson/core/engine.py", line 206, in start
self._start()
File "jqboson/core/engine.py", line 235, in _start
self._dispatcher.start()
File "jqboson/core/dispatcher.py", line 206, in start
self._loop()
File "jqboson/core/dispatcher.py", line 186, in _loop
self._event_bus.emit(ev[1])
File "jqboson/core/bus.py", line 35, in emit
ret.append(call(event))
File "jqboson/core/strategy.py", line 251, in _wrapper
return cb(self._context.strategy_environment.strategy_context)
File "user_code.py", line 68, in trade
model = svr.fit(X, Y)
File "sklearn/svm/base.py", line 151, in fit
X, y = check_X_y(X, y, dtype=np.float64, order='C', accept_sparse='csr')
File "sklearn/utils/validation.py", line 521, in check_X_y
ensure_min_features, warn_on_dtype, estimator)
File "sklearn/utils/validation.py", line 416, in check_array
context))
ValueError: Found array with 0 sample(s) (shape=(0, 34)) while a minimum of 1 is required.
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