fix name. The variable was renamed in r45074

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk/utils@45075 20353a03-c40f-0410-a6d1-a30d3c3de9de

setup.py

@@ -22,7 +22,8 @@ test_requires = [
     ]
 
 if sys.version_info < (2, 7):
-  install_require_list.append('argparse')
+  install_requires.append('argparse')
+
 setup(name='cloudooo',
       version=version,
       description="XML-RPC document conversion server",