Changelog:
==========
The Qt brain now correctly treats calling .disconnect() (with no
arguments) on a slot as valid.
The argparse brain no longer incorrectly adds "Namespace" to the locals
of functions that return an argparse.Namespace object.
Signed-off-by: Xu Huan <xuhuan.fnst@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
