bpo-43963: import _signal in subinterpreter has no side effect #25674
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Importing the _signal module in a subinterpreter has no longer side effects. signal_module_exec() no longer modify Handlers and no longer attempt to set SIGINT signal handler in subinterpreters.
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Importing the _signal module in a subinterpreter has no longer side
effects.
signal_module_exec() no longer modify Handlers and no longer attempt
to set SIGINT signal handler in subinterpreters.
https://bugs.python.org/issue43963