Remove import functools from re module. The re module imports functools but never uses it.
diff --git a/Lib/re.py b/Lib/re.py
index fcea190..b41aab0 100644
--- a/Lib/re.py
+++ b/Lib/re.py
@@ -121,7 +121,6 @@
 import sys
 import sre_compile
 import sre_parse
-import functools
 
 # public symbols
 __all__ = [ "match", "search", "sub", "subn", "split", "findall",