[releng] convert-to-tarballs: fix sftp host check

[Frederic Peters <fpeters src gnome org>]

commit 212a94cdf3024336c69c352457264f1694364854
Author: Frédéric Péters <fpeters 0d be>
Date:   Wed Sep 3 22:54:14 2014 +0200

    convert-to-tarballs: fix sftp host check

 tools/smoketesting/convert-to-tarballs.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/tools/smoketesting/convert-to-tarballs.py b/tools/smoketesting/convert-to-tarballs.py
index 2476302..f26f9f4 100755
--- a/tools/smoketesting/convert-to-tarballs.py
+++ b/tools/smoketesting/convert-to-tarballs.py
@@ -369,7 +369,7 @@ class TarballLocator:
         try:
             cfg = self.sftp_cfg.lookup(hostname)
             cfg.get('user') # require a username to be defined
-            if not self.sftp_hosts.has_key(hostname): raise KeyError('unknown hostname')
+            if not hostname in self.sftp_hosts: raise KeyError('unknown hostname')
         except KeyError:
             do_sftp = False