aif-ng/aif/disk/__init__.py

try:
    from . import block
except ImportError:
    from . import block_fallback as block
try:
    from . import filesystem_fallback
except ImportError:
    from . import filesystem_fallback as filesystem

try:
    from . import luks_fallback
except ImportError:
    from . import luks_fallback as luks

try:
    from . import lvm_fallback
except ImportError:
    from . import lvm_fallback as lvm

try:
    from . import mdadm_fallback
except ImportError:
    from . import mdadm_fallback as mdadm

try:
    from . import _common
except ImportError:
    pass  # GI isn't supported, so we don't even use a fallback.