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    Pythonlanggraphchannelsephemeral_value
    Moduleā—Since v0.1

    ephemeral_value

    Attributes

    Classes

    View source on GitHub
    attribute
    MISSING
    attribute
    Value
    class
    BaseChannel
    class
    InvalidUpdateError
    class
    EphemeralValue

    Unset sentinel value.

    Base class for all channels.

    Raised when attempting to update a channel with an invalid set of updates.

    Troubleshooting guides:

    • INVALID_CONCURRENT_GRAPH_UPDATE
    • INVALID_GRAPH_NODE_RETURN_VALUE

    Stores the value received in the step immediately preceding, clears after.