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Fix import bug that prevents pickling of norm functions

Browse Source 
https://docs.python.org/3/library/importlib.html#importing-a-source-file-directly
https://stackoverflow.com/questions/43819653/pickling-objects-imported-with-importlib-util/53696167#53696167
This commit is contained in:
Yin Li 2020-09-08 13:47:10 -04:00
parent f3216f4cbd
commit 0e0ad8f071
1 changed files with 2 additions and 0 deletions
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2
map2map/utils/imp.py
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@ -1,4 +1,5 @@
import os import os
import sys
import importlib import importlib
@ -51,6 +52,7 @@ def import_attr(name, *pkgs, callback_at=None):
spec = importlib.util.spec_from_file_location(mod, callback_at) spec = importlib.util.spec_from_file_location(mod, callback_at)
module = importlib.util.module_from_spec(spec) module = importlib.util.module_from_spec(spec)
sys.modules[mod] = module
spec.loader.exec_module(module) spec.loader.exec_module(module)
return getattr(module, attr) return getattr(module, attr)