Replace 'raise StopIteration' with 'return'
With PEP 479, the behaviour of StopIteration is changing. Raising it to stop a generator is considered incorrect and from Python 3.7 this will cause a RuntimeError. The PEP recommends using the return statement. More details: https://www.python.org/dev/peps/pep-0479/#examples-of-breakage Change-Id: I5ea49c24c90d33e7fb5ae916c43e01d3d7537477
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@ -248,7 +248,7 @@ class RsyncEngine(engine.BackupEngine):
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"""
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if not old_file_meta:
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raise StopIteration
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return
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# If the ctime or mtime has changed, the delta is computed
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# data block is returned
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