Remove duplication.
diff --git a/Lib/tkinter/ttk.py b/Lib/tkinter/ttk.py
index 1a6a9f4..928e1de 100644
--- a/Lib/tkinter/ttk.py
+++ b/Lib/tkinter/ttk.py
@@ -37,7 +37,7 @@
         import os
         tilelib = os.environ.get('TILE_LIBRARY')
         if tilelib:
-            # append custom tile path to the the list of directories that
+            # append custom tile path to the list of directories that
             # Tcl uses when attempting to resolve packages with the package
             # command
             master.tk.eval(