worker: use get_attr and prevent TypeError #57
Merged
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The
WG<XXX>
attributes are no longer present aftersvinota/pyroute2@3e48554
so .get_attr has to beed used in order to remain compatible with
pyroute2 >= 0.5.15.
Calling extend on a list with None as argument waill raise a TypeError.
This happens when no peers are added yet (e.g. after a fresh boot)