Add has_subclasses checks for iplugins (prevent for loading parent class)

plugins/display/feeds.py

@@ -21,7 +21,6 @@
 from iwla import IWLA
 from iplugin import IPlugin
 from display import *
-from plugins.post_analysis.feeds import IWLAPostAnalysisFeeds
 
 """
 Display hook
@@ -60,6 +59,8 @@ class IWLADisplayFeeds(IPlugin):
         return True
 
     def hook(self):
+        from plugins.post_analysis.feeds import IWLAPostAnalysisFeeds
+
         display = self.iwla.getDisplay()
         hits = self.iwla.getCurrentVisists()
         nb_feeds_parsers = 0
@@ -88,7 +89,7 @@ class IWLADisplayFeeds(IPlugin):
                 else:
                     table.appendRow([address, super_hit['viewed_pages'], super_hit['viewed_hits']])
             page.appendBlock(table)
-            note = DisplayHTMLRaw(self.iwla, ('<small>*%s</small>' % (self.iwla._('Merged feeds parsers'))))
+            note = DisplayHTMLRaw(self.iwla, ('<small>*%s</small>' % (self.iwla._(u'Merged feeds parsers'))))
             page.appendBlock(note)
             display.addPage(page)