* Implement find_spec and exec_module to remove reliance on deprecated methods in the collection loader
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* Move module execution to exec_module
Remove extra sys.modules handling
Use default module initialization by returning None from loader.create_module
Refactor
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* Remove ansible-test's copy of the collection loader
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* Fix metaclass for Python 2.x
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* Fix Py2/Py3 syntax compatibility
* Refactor
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* update collection_loader comments
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* simplify find_module
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* Fix Py2 compatibility - don't get loader from nonexistent spec
Remove unnecessary PY3 checking
* Refactor common code in load_module and exec_module
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* tidy diff
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* Include collection_loader in target paths for 'compile' sanity test
* add changelog
* Add "return None" instead of doing it implicitly
Remove get_filename
short-circuit exec_module if it's a redirect
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b50f16db91