[dev-util/kdevelop-python] Add missing dependency.

Package-Manager: portage-2.2.10
[dev-util/kdevelop-python] Fix build when Python 3 is system default wrt bug #512654.

Package-Manager: portage-2.2.10
[kde-base/kwalletmanager] Add KF5 version wrt bug #512340.

Package-Manager: portage-2.2.10