web_scenario: Silence type warnings when using requests-mock
requests-mock 1.9.0 added stub files; but they are incomplete so it raises typing error when running mypy on code using advanced features.
Migrated from D5737 (view on Phabricator)
requests-mock 1.9.0 added stub files; but they are incomplete so it raises typing error when running mypy on code using advanced features.
Migrated from D5737 (view on Phabricator)