Undo Barry's change.  This file is not imported, it's fed as input to
the tokenize module by test_tokenize.py.  The FutureWarnings only
appeared during installation, and I've figured out a way to suppress
those in a different way.
diff --git a/Lib/test/output/test_tokenize b/Lib/test/output/test_tokenize
index fce2fd7..ea55181 100644
--- a/Lib/test/output/test_tokenize
+++ b/Lib/test/output/test_tokenize
@@ -124,18 +124,18 @@
 42,11-42,12:	OP	'-'
 42,12-42,13:	NUMBER	'1'
 42,14-42,16:	OP	'!='
-42,17-42,30:	NUMBER	'020000000000L'
-42,30-42,31:	NEWLINE	'\n'
-43,0-43,13:	NUMBER	'037777777777L'
-43,14-43,16:	OP	'!='
-43,17-43,18:	OP	'-'
-43,18-43,19:	NUMBER	'1'
-43,19-43,20:	NEWLINE	'\n'
-44,0-44,11:	NUMBER	'0xffffffffL'
-44,12-44,14:	OP	'!='
-44,15-44,16:	OP	'-'
-44,16-44,17:	NUMBER	'1'
-44,17-44,18:	NEWLINE	'\n'
+42,17-42,29:	NUMBER	'020000000000'
+42,29-42,30:	NEWLINE	'\n'
+43,0-43,12:	NUMBER	'037777777777'
+43,13-43,15:	OP	'!='
+43,16-43,17:	OP	'-'
+43,17-43,18:	NUMBER	'1'
+43,18-43,19:	NEWLINE	'\n'
+44,0-44,10:	NUMBER	'0xffffffff'
+44,11-44,13:	OP	'!='
+44,14-44,15:	OP	'-'
+44,15-44,16:	NUMBER	'1'
+44,16-44,17:	NEWLINE	'\n'
 45,0-45,1:	NL	'\n'
 46,0-46,16:	COMMENT	'# Long integers\n'
 47,0-47,1:	NAME	'x'
diff --git a/Lib/test/tokenize_tests.py b/Lib/test/tokenize_tests.py
index 2e55fb3..e990a36 100644
--- a/Lib/test/tokenize_tests.py
+++ b/Lib/test/tokenize_tests.py
@@ -39,9 +39,9 @@
 0xff <> 255
 0377 <> 255
 2147483647   != 017777777777
--2147483647-1 != 020000000000L
-037777777777L != -1
-0xffffffffL != -1
+-2147483647-1 != 020000000000
+037777777777 != -1
+0xffffffff != -1
 
 # Long integers
 x = 0L