From ae6f540b2500160f52e937d52ca4afe9456926c5 Mon Sep 17 00:00:00 2001 From: hroff-1902 Date: Tue, 16 Apr 2019 11:05:54 +0300 Subject: [PATCH] set joblib loky serialization to pickle; we don't need cloudpickle --- freqtrade/optimize/hyperopt.py | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/freqtrade/optimize/hyperopt.py b/freqtrade/optimize/hyperopt.py index c1266f10b..c40d874e9 100644 --- a/freqtrade/optimize/hyperopt.py +++ b/freqtrade/optimize/hyperopt.py @@ -19,6 +19,7 @@ from typing import Any, Dict, List from joblib import Parallel, delayed, dump, load, wrap_non_picklable_objects from joblib._parallel_backends import LokyBackend from joblib import register_parallel_backend, parallel_backend +from joblib.externals.loky import set_loky_pickler from pandas import DataFrame from skopt import Optimizer from skopt.space import Dimension @@ -261,9 +262,7 @@ class Hyperopt(Backtesting): ) def run_optimizer_parallel(self, parallel, tries: int, first_try: int) -> List: - result = parallel(delayed( - wrap_non_picklable_objects(self.parallel_objective)) - (asked, i) for asked, i in + result = parallel(delayed(self.parallel_objective)(asked, i) for asked, i in zip(self.opt_generator(), range(first_try, first_try + tries))) return result @@ -315,6 +314,7 @@ class Hyperopt(Backtesting): cpus = multiprocessing.cpu_count() logger.info(f'Found {cpus} CPU cores. Let\'s make them scream!') + set_loky_pickler('pickle') self.opt = self.get_optimizer(cpus) frames = ((self.total_tries - 1) // EVALS_FRAME)