More PEP8 compliance cleanups.

Cleaned up the atom entry stanza.

sleekxmpp/xmlstream/__init__.py

@@ -14,6 +14,6 @@ from sleekxmpp.xmlstream.tostring import tostring
 from sleekxmpp.xmlstream.xmlstream import XMLStream, RESPONSE_TIMEOUT
 from sleekxmpp.xmlstream.xmlstream import RestartStream
 
-__all__ = ['JID', 'Scheduler', 'StanzaBase', 'ElementBase', 
-           'ET', 'StateMachine', 'tostring', 'XMLStream', 
+__all__ = ['JID', 'Scheduler', 'StanzaBase', 'ElementBase',
+           'ET', 'StateMachine', 'tostring', 'XMLStream',
            'RESPONSE_TIMEOUT', 'RestartStream']

sleekxmpp/xmlstream/matcher/__init__.py

@@ -12,5 +12,5 @@ from sleekxmpp.xmlstream.matcher.stanzapath import StanzaPath
 from sleekxmpp.xmlstream.matcher.xmlmask import MatchXMLMask
 from sleekxmpp.xmlstream.matcher.xpath import MatchXPath
 
-__all__ = ['MatcherId', 'MatchMany', 'StanzaPath', 
+__all__ = ['MatcherId', 'MatchMany', 'StanzaPath',
            'MatchXMLMask', 'MatchXPath']

sleekxmpp/xmlstream/stanzabase.py

@@ -588,7 +588,6 @@ class ElementBase(object):
         if isinstance(xpath, str):
             xpath = self._fix_ns(xpath, split=True, propagate_ns=False)
 
-
         # Extract the tag name and attribute checks for the first XPath node.
         components = xpath[0].split('@')
         tag = components[0]