chore: import upstream snapshot with attribution

python/ray/_common/tests/test_network_utils.py

@@ -0,0 +1,17 @@
+import sys
+
+import pytest
+
+from ray._common.network_utils import is_localhost
+
+
+def test_is_localhost():
+    assert is_localhost("localhost")
+    assert is_localhost("127.0.0.1")
+    assert is_localhost("::1")
+    assert not is_localhost("8.8.8.8")
+    assert not is_localhost("2001:db8::1")
+
+
+if __name__ == "__main__":
+    sys.exit(pytest.main(["-v", __file__]))