Open Shortest Path First IGP (ospf)

draft-ietf-ospf-sr-yang-01.txt:
xym 0.3.2:
Extracting 'ietf-ospf-sr@2017-03-13.yang'


ietf-ospf-sr@2017-03-13.yang:
pyang 1.7.2: pyang --verbose --ietf -p {libs} {model}:
No validation errors

yanglint 0.12.183: yanglint --verbose -p {rfclib} -p {draftlib} {model}:
err : Failed to resolve type "ietf-routing-types:address-family".
err : Failed to resolve type "ietf-routing-types:address-family".
err : Module "ietf-ospf" parsing failed.
err : Importing "ietf-ospf" module into "ietf-ospf-sr" failed.
err : Module "ietf-ospf-sr" parsing failed.

draft-ietf-ospf-yang-07.txt:
xym 0.3.2:
Extracting 'ietf-ospf@2017-03-12.yang'


ietf-ospf@2017-03-12.yang:
pyang 1.7.2: pyang --verbose --ietf -p {libs} {model}:
ietf-ospf@2017-03-12.yang:3041: error: identity "address-family" not found in module ietf-routing-types
ietf-ospf@2017-03-12.yang:3248: error: identity "address-family" not found in module ietf-routing-types

yanglint 0.12.183: yanglint --verbose -p {rfclib} -p {draftlib} {model}:
err : Failed to resolve type "ietf-routing-types:address-family".
err : Failed to resolve type "ietf-routing-types:address-family".
err : Module "ietf-ospf" parsing failed.