Issue #1730136: Fix backported exception name.
diff --git a/Lib/lib-tk/test/test_tkinter/test_font.py b/Lib/lib-tk/test/test_tkinter/test_font.py
index 8e20f4d..246b5cc 100644
--- a/Lib/lib-tk/test/test_tkinter/test_font.py
+++ b/Lib/lib-tk/test/test_tkinter/test_font.py
@@ -19,7 +19,7 @@
         fontname = "TkDefaultFont"
         try:
             f = font.Font(name=fontname, exists=True)
-        except tkinter._tkinter.TclError:
+        except Tkinter._tkinter.TclError:
             f = font.Font(name=fontname, exists=False)
         font1 = font.nametofont(fontname)
         font2 = font.nametofont(fontname)