Automated commit of generated code

Author: github-actions[bot]

core/generated-sources/src/test/kotlin/org/jetbrains/kotlinx/dataframe/testSets/person/DataFrameTreeTests.kt

@@ -24,6 +24,7 @@ import org.jetbrains.kotlinx.dataframe.api.aggregate
 import org.jetbrains.kotlinx.dataframe.api.append
 import org.jetbrains.kotlinx.dataframe.api.asColumnGroup
 import org.jetbrains.kotlinx.dataframe.api.asDataFrame
+import org.jetbrains.kotlinx.dataframe.api.asFrame
 import org.jetbrains.kotlinx.dataframe.api.asGroupBy
 import org.jetbrains.kotlinx.dataframe.api.at
 import org.jetbrains.kotlinx.dataframe.api.by