pypi: metadata -> revision: Deal with previous metadata format
Same adaptations fixes (as npm) needed for our current dataset.
Related to !48 (closed)
Test Plan
tox
Migrated from D2367 (view on Phabricator)
Same adaptations fixes (as npm) needed for our current dataset.
Related to !48 (closed)
tox
Migrated from D2367 (view on Phabricator)