diff --git a/cls_mth_fc.py b/cls_mth_fc.py
index 1e51c2e..64c305c 100755
--- a/cls_mth_fc.py
+++ b/cls_mth_fc.py
@@ -507,4 +507,5 @@ class Tooltip:
         """
         if self.tooltip_window:
             self.tooltip_window.destroy()
-            self.tooltip_window = None
\ No newline at end of file
+            self.tooltip_window = None
+            
\ No newline at end of file