[issue10093] Warn when files are not explicitly closed

[Brett Cannon]

Brett Cannon <brett at python.org> added the comment:

If a new, unbound socket uses some form of OS resource, then a warning is needed. Is their an equivalent limitation like there is with file descriptors as to how many an OS can possibly have open at once?

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue10093>
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