Remove dict.has_key() usage in xml.dom.minidom to silence warnings while
running under -3.
diff --git a/Lib/xml/dom/minidom.py b/Lib/xml/dom/minidom.py
index 02e82d9..9f7f62c 100644
--- a/Lib/xml/dom/minidom.py
+++ b/Lib/xml/dom/minidom.py
@@ -245,7 +245,7 @@
         except AttributeError:
             d = {}
             self._user_data = d
-        if d.has_key(key):
+        if key in d:
             old = d[key][0]
         if data is None:
             # ignore handlers passed for None
@@ -562,7 +562,7 @@
             _clear_id_cache(self._ownerElement)
             del self._attrs[n.nodeName]
             del self._attrsNS[(n.namespaceURI, n.localName)]
-            if n.__dict__.has_key('ownerElement'):
+            if 'ownerElement' in n.__dict__:
                 n.__dict__['ownerElement'] = None
             return n
         else:
@@ -574,7 +574,7 @@
             _clear_id_cache(self._ownerElement)
             del self._attrsNS[(n.namespaceURI, n.localName)]
             del self._attrs[n.nodeName]
-            if n.__dict__.has_key('ownerElement'):
+            if 'ownerElement' in n.__dict__:
                 n.__dict__['ownerElement'] = None
             return n
         else:
@@ -1664,7 +1664,7 @@
         return n
 
     def getElementById(self, id):
-        if self._id_cache.has_key(id):
+        if id in self._id_cache:
             return self._id_cache[id]
         if not (self._elem_info or self._magic_id_count):
             return None