diff --git a/src/textual_dev/previews/colors.py b/src/textual_dev/previews/colors.py
index 8bc07e7..e93ff74 100644
--- a/src/textual_dev/previews/colors.py
+++ b/src/textual_dev/previews/colors.py
@@ -10,7 +10,7 @@
     from textual.lazy import Lazy
 except ImportError:
 
-    def Lazy(widget: Widget) -> Widget:
+    def Lazy(widget: Widget) -> Widget:  # type: ignore
         return widget