Fixed default http_scheme in Connection class from 'http' to 'https'

Author: Andrei Kuzmichov

prestodb/dbapi.py

@@ -69,7 +69,7 @@ def __init__(
         schema=constants.DEFAULT_SCHEMA,
         session_properties=None,
         http_headers=None,
-        http_scheme=constants.HTTP,
+        http_scheme=constants.HTTPS,
         auth=constants.DEFAULT_AUTH,
         redirect_handler=prestodb.redirect.GatewayRedirectHandler(),
         max_attempts=constants.DEFAULT_MAX_ATTEMPTS,