Zip files can be larger than 4 GiB if allowZip64
is true (default since Python 3.4)
(:mod:`zlib`, :mod:`bz2` or :mod:`lzma`) is not available, :exc:`RuntimeError`
is also raised. The default is :const:`ZIP_STORED`. If *allowZip64* is
``True`` (the default) zipfile will create ZIP files that use the ZIP64
- extensions when the zipfile is larger than 2 GiB. If it is false :mod:`zipfile`
+ extensions when the zipfile is larger than 4 GiB. If it is false :mod:`zipfile`
will raise an exception when the ZIP file would require ZIP64 extensions.
If the file is created with mode ``'w'``, ``'x'`` or ``'a'`` and then