TINKERPOP-2076 Use python3 to run console integration tests
TINKERPOP-2076 Use python3 to run console integration tests

apache/incubator-tinkerpop,apache/tinkerpop,apache/tinkerpop,apache/tinkerpop,apache/tinkerpop,apache/tinkerpop,apache/incubator-tinkerpop,apache/tinkerpop,apache/incubator-tinkerpop,apache/tinkerpop