python: servicedirectory: unlock only the needed section
python: servicedirectory: unlock only the needed section

Change-Id: Ic6779c12179e7f6ec8fd999bc91f03361c01a93d
Reviewed-on: http://gerrit.aldebaran.lan/25019
Reviewed-by: hcuche <2a0975cc082cedff4d4350e3f6ec187146151bc6@aldebaran-robotics.com>
Tested-by: ncornu <13ba26b8f12d26c819f48749c65f2f7f5c1d13db@aldebaran-robotics.com>
Reviewed-on: http://gerrit.aldebaran.lan/25109
Reviewed-by: ncornu <13ba26b8f12d26c819f48749c65f2f7f5c1d13db@aldebaran-robotics.com>

aldebaran/libqi,vbarbaresi/libqi,aldebaran/libqi,bsautron/libqi,aldebaran/libqi