Differential D6164 Diff 30381 python_modules/dagster-graphql/dagster_graphql/schema/pipelines/pipeline_ref.py

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				import graphene


				class PipelineReference(graphene.Interface):
				"""This interface supports the case where we can look up a pipeline successfully in the
				repository available to the DagsterInstance/graphql context, as well as the case where we know
				that a pipeline exists/existed thanks to materialized data such as logs and run metadata, but
				where we can't look the concrete pipeline up."""

				name = graphene.NonNull(graphene.String)
				solidSelection = graphene.List(graphene.NonNull(graphene.String))


				class UnknownPipeline(graphene.ObjectType):
				class Meta:
				interfaces = (PipelineReference,)

				name = graphene.NonNull(graphene.String)
				solidSelection = graphene.List(graphene.NonNull(graphene.String))