Update default constant for local marquez for python client
DEFAULT_TIMEOUT_MS = 10000
DEFAULT_NAMESPACE_NAME = 'default'
DEFAULT_MARQUEZ_BACKEND = 'http'
-DEFAULT_MARQUEZ_URL = 'http://localhost:8080'
+DEFAULT_MARQUEZ_URL = 'http://localhost:5000'
DEFAULT_MARQUEZ_FILE = '/tmp/marquez/client.requests.log'
DEFAULT_LIMIT = 100
DEFAULT_OFFSET = 0
