python 2 is long unsupported, so we no longer need this variable. Signed-off-by: Tim Orling <tim.orling@konsulko.com> Signed-off-by: Khem Raj <raj.khem@gmail.com>
Changelog: ========== #1963 Cannot read worksheets in read-only mode with locally scoped definitions #1974 Empty custom properties cause invalid files Signed-off-by: Wang Mingyu <wangmy@fujitsu.com> Signed-off-by: Khem Raj <raj.khem@gmail.com>