adding missing key from response dictionary so get_api test passes
adding missing key from response dictionary so get_api test passes

eventbrite/eventbrite-sdk-python,apranav19/eventbrite-sdk-python,metric-collective/eventbrite-sdk-python,klaviyo/eventbrite-sdk-python,eventbrite/eventbrite-sdk-python,klaviyo/eventbrite-sdk-python,metric-collective/eventbrite-sdk-python,apranav19/eventbrite-sdk-python