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Fix singleton bugs related to thread-safety and checks for sequence types

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This commit is contained in:
Roman Mogilatov 2016-06-08 17:02:39 +03:00
parent d963e9b562
commit 2fcfa79ffd
1 changed files with 3 additions and 5 deletions
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8
dependency_injector/providers/creational.py
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@ -212,12 +212,10 @@ class Singleton(Factory):
:rtype: object
"""
if self.instance:
return self.instance
with GLOBAL_LOCK:
self.instance = super(Singleton, self)._provide(*args, **kwargs)
if self.instance is None:
self.instance = super(Singleton, self)._provide(*args,
**kwargs)
return self.instance