This update for python3 fixes the following issues:
Security issues fixed:
- CVE-2020-27619: where Lib/test/multibytecodec_support calls eval() on content retrieved via HTTP. (bsc#1178009)
Other fixes:
- Make sure to close the 'import_failed.map' file after the exception has been raised in order to avoid ResourceWarnings when the failing import is part of a try...except block