Move exception handling into call_get_file_tree for consistency.
Move exception handling into call_get_file_tree for consistency.

Fale/fedora-packages,Fale/fedora-packages,fedora-infra/fedora-packages,fedora-infra/fedora-packages,Fale/fedora-packages,fedora-infra/fedora-packages,fedora-infra/fedora-packages