[issue24251] Different behavior for argparse between 2.7.8 and 2.7.9 when adding the same arguments to the root and the sub commands

New submission from Hao Huang: When I was trying to add the same argument to both the root command and the sub command and you put the arguments before the subcommand, In 2.7.8 the arguments would be parsed correctly. But in 2.7.9, they wouldn't but these arguments would show up in the

[issue24251] Different behavior for argparse between 2.7.8 and 2.7.9 when adding the same arguments to the root and the sub commands

Hao Huang added the comment: I think this patch cause the difference: https://hg.python.org/cpython/rev/1a3143752db2 -- ___ Python tracker <http://bugs.python.org/issue24