Move 'import sys' to top of module, as noted by Tim Peters.
diff --git a/Lib/uu.py b/Lib/uu.py
index a94291d..ecd76a8 100755
--- a/Lib/uu.py
+++ b/Lib/uu.py
@@ -32,6 +32,7 @@
 import binascii
 import os
 import string
+import sys
 
 Error = 'uu.Error'
 
@@ -129,7 +130,6 @@
 
 def test():
     """uuencode/uudecode main program"""
-    import sys
     import getopt
 
     dopt = 0