hasher-matcher-actioner/hmalib/common/external_api.py
python-threatexchange/threatexchange/fb_threatexchange/api.py

hasher-matcher-actioner/hmalib/scripts/cli/command_base.py
python-threatexchange/threatexchange/cli/command_base.py

hasher-matcher-actioner/hmalib/common/s3_adapters.py
python-threatexchange/threatexchange/fb_threatexchange/threat_updates.py