loader.core: Fix initialization issue
DVCS loader initializes their visit_type attribute as class attribute. This was set to None as class attribute happens before constructor.
Test Plan
tox
Migrated from D2440 (view on Phabricator)
Staging instance, all changes can be removed at any time
DVCS loader initializes their visit_type attribute as class attribute. This was set to None as class attribute happens before constructor.
tox
Migrated from D2440 (view on Phabricator)