mercurial/httprepo.py

--- a/mercurial/httprepo.py	Mon Jan 21 13:37:27 2008 -0200
+++ b/mercurial/httprepo.py	Sun Jan 20 14:39:25 2008 +0100
@@ -247,7 +247,7 @@
         # will take precedence if found, so drop them
         for env in ["HTTP_PROXY", "http_proxy", "no_proxy"]:
             try:
-                if os.environ.has_key(env):
+                if env in os.environ:
                     del os.environ[env]
             except OSError:
                 pass