Fix _abc_data pickle error in 3.7

This commit is contained in:
Matthias 2018-08-12 10:16:51 +02:00
parent e73331b9b6
commit e3e79a55fa

View File

@ -12,8 +12,18 @@ def import_strategy(strategy: IStrategy, config: dict) -> IStrategy:
Imports given Strategy instance to global scope
of freqtrade.strategy and returns an instance of it
"""
# Copy all attributes from base class and class
attr = deepcopy({**strategy.__class__.__dict__, **strategy.__dict__})
comb = {**strategy.__class__.__dict__, **strategy.__dict__}
# Delete '_abc_impl' from dict as deepcopy fails on 3.7 with
# `TypeError: can't pickle _abc_data objects``
# This will only apply to python 3.7
if '_abc_impl' in comb:
del comb['_abc_impl']
attr = deepcopy(comb)
# Adjust module name
attr['__module__'] = 'freqtrade.strategy'