GB0257

Graph-Break Type

Short name describing what triggered the graph break

TypedDict with optional keys

Context

Values or code snippet captured at the break point

str(self.value)

Explanation

Explanation of why the graph break was triggered

Dynamo does not support tracing TypedDict with optional keys

Hints

Hints on how to resolve the graph break

• Avoid using TypedDict with optional keys
• It may be possible to write Dynamo tracing rules for this code. Please report an issue to PyTorch if you encounter this graph break often and it is causing performance issues.

Additional Information

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