fix tostring bug for sweeepable pipeline (#6610)

LittleLittleCloud · web-flow · commit ceb9a2ba2ddc · 2023-03-28T10:04:13.000-07:00
diff --git a/src/Microsoft.ML.AutoML/SweepableEstimator/SweepablePipeline.cs b/src/Microsoft.ML.AutoML/SweepableEstimator/SweepablePipeline.cs
@@ -153,7 +153,7 @@ public string ToString(Parameter parameter)
             if (parameter.TryGetValue(AutoMLExperiment.PipelineSearchspaceName, out var pipelineParameter))
             {
                 var schema = pipelineParameter["_SCHEMA_"].AsType<string>();
-                var estimatorStrings = Entity.FromExpression(_currentSchema)
+                var estimatorStrings = Entity.FromExpression(schema)
                                    .ValueEntities()
                                    .Where(e => e is StringEntity se && se.Value != "Nil")
                                    .Select((se) =>

Original file line number	Diff line number	Diff line change
`@@ -153,7 +153,7 @@ public string ToString(Parameter parameter)`
`153`	`153`	`if (parameter.TryGetValue(AutoMLExperiment.PipelineSearchspaceName, out var pipelineParameter))`
`154`	`154`	`{`
`155`	`155`	`var schema = pipelineParameter["_SCHEMA_"].AsType<string>();`
`156`		`- var estimatorStrings = Entity.FromExpression(_currentSchema)`
	`156`	`+ var estimatorStrings = Entity.FromExpression(schema)`
`157`	`157`	`.ValueEntities()`
`158`	`158`	`.Where(e => e is StringEntity se && se.Value != "Nil")`
`159`	`159`	`.Select((se) =>`