chore: import upstream snapshot with attribution

python/ray/dashboard/optional_deps.py

@@ -0,0 +1,27 @@
+# These imports determine whether or not a user has the required dependencies
+# to launch the optional dashboard API server.
+# If any of these imports fail, the dashboard API server will not be launched.
+# Please add important dashboard-api dependencies to this list.
+
+import aiohttp  # noqa: F401
+import aiohttp.web  # noqa: F401
+import aiohttp_cors  # noqa: F401
+import grpc  # noqa: F401
+
+# These checks have to come first because aiohttp looks
+# for opencensus, too, and raises a different error otherwise.
+import opencensus  # noqa: F401
+import opentelemetry  # noqa: F401
+import opentelemetry.exporter.prometheus  # noqa: F401
+import opentelemetry.proto  # noqa: F401
+import prometheus_client  # noqa: F401
+import pydantic  # noqa: F401
+from aiohttp import hdrs  # noqa: F401
+from aiohttp.typedefs import PathLike  # noqa: F401
+from aiohttp.web import (
+    Request,  # noqa: F401
+    RouteDef,  # noqa: F401
+)
+
+# Adding new modules should also be reflected in the
+# python/ray/tests/test_minimal_install.py