fix: reject PluginManager.register(None) - #731
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Pitchfork-and-Torch wants to merge 1 commit into
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None is the blocked-name sentinel in _name2plugin. register(None) silently acted like set_blocked(str(id(None))), making is_registered(None) true while get_plugins() omitted it. Raise TypeError instead.
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Summary
Noneis the blocked-name sentinel in_name2plugin(set_blockedstoresNone).register(None)therefore silently behaved likeset_blocked(str(id(None))):is_blocked(name)became trueis_registered(None)became trueget_plugins()omitted itRaise
TypeError("plugin must not be None")instead.Test plan
testing/test_pluginmanager.py::test_register_rejects_nonepasses