diff --git a/notebooks/visualization/src/com/intellij/notebooks/visualization/NotebookEditorAppearanceProvider.kt b/notebooks/visualization/src/com/intellij/notebooks/visualization/NotebookEditorAppearanceProvider.kt
index aa8d0f61a923..dfc932c1332a 100644
--- a/notebooks/visualization/src/com/intellij/notebooks/visualization/NotebookEditorAppearanceProvider.kt
+++ b/notebooks/visualization/src/com/intellij/notebooks/visualization/NotebookEditorAppearanceProvider.kt
@@ -5,10 +5,8 @@ import com.intellij.openapi.extensions.ExtensionPointName
 import com.intellij.notebooks.ui.visualization.NotebookEditorAppearance
 import com.intellij.notebooks.ui.visualization.NotebookEditorAppearance.Companion.NOTEBOOK_APPEARANCE_KEY
 
-
 private const val ID = "org.jetbrains.plugins.notebooks.editor.notebookEditorAppearanceProvider"
 
-
 interface NotebookEditorAppearanceProvider {
   fun create(editor: Editor): NotebookEditorAppearance?
 
@@ -22,4 +20,4 @@ interface NotebookEditorAppearanceProvider {
       NOTEBOOK_APPEARANCE_KEY.set(editor, create(editor)!!)
     }
   }
-}
+}
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