Structure field is not a string.

a string.

And "IDLE: fix some RessourceWarning, reuse tokenize.open()"

On error, call(), check_call(), check_output() and getstatusoutput() functions
of the subprocess module now kill the process, read its status (to avoid
zombis) and close pipes.

Suggested by Terry J. Reedy in #12298.

sigaltstack(2) doesn't work when linked with pthread.

mapped to POSIX errno ENOTDIR (previously EINVAL).

mapped to POSIX errno ENOTDIR (previously EINVAL).