Remove duplicate 'import re' in decimal.py
diff --git a/Lib/decimal.py b/Lib/decimal.py
index b7a2968..8fcb093 100644
--- a/Lib/decimal.py
+++ b/Lib/decimal.py
@@ -5212,8 +5212,7 @@
 
 
 ##### crud for parsing strings #############################################
-import re
-
+#
 # Regular expression used for parsing numeric strings.  Additional
 # comments:
 #