More PEP8 compliance cleanups.

Cleaned up the atom entry stanza.

sleekxmpp/stanza/atom.py

@@ -1,11 +1,26 @@
-from .. xmlstream.stanzabase import registerStanzaPlugin, ElementBase, ET, JID
-from xml.etree import cElementTree as ET
+"""
+    SleekXMPP: The Sleek XMPP Library
+    Copyright (C) 2010  Nathanael C. Fritz
+    This file is part of SleekXMPP.
+
+    See the file LICENSE for copying permission.
+"""
+
+from sleekxmpp.xmlstream import ElementBase
+
 
 class AtomEntry(ElementBase):
-	namespace = 'http://www.w3.org/2005/Atom'
-	name = 'entry'
-	plugin_attrib = 'entry'
-	interfaces = set(('title', 'summary'))
-	sub_interfaces = set(('title', 'summary'))
-	plugin_attrib_map = {}
-	plugin_tag_map = {}
+
+    """
+    A simple Atom feed entry.
+
+    Stanza Interface:
+        title   -- The title of the Atom feed entry.
+        summary -- The summary of the Atom feed entry.
+    """
+
+    namespace = 'http://www.w3.org/2005/Atom'
+    name = 'entry'
+    plugin_attrib = 'entry'
+    interfaces = set(('title', 'summary'))
+    sub_interfaces = set(('title', 'summary'))