BUILD

py_test(
    name = "a_PY2",
    srcs = [
        "a.py",
        "mypackage/b.py",
    ],
    default_python_version = "PY2",
    main = "a.py",
    srcs_version = "PY2",
)

py_test(
    name = "a_PY3",
    srcs = [
        "a.py",
        "mypackage/b.py",
    ],
    default_python_version = "PY3",
    main = "a.py",
    srcs_version = "PY3",
)