replaced os.uname with more terse platform.platform
replaced os.uname with more terse platform.platform

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