Don't reply to oneself

tt

@@ -453,10 +453,12 @@ class TwtForm(urwid.ListBox):
 
 
     def _collect_authors(self, twt):
-        authors = [twt.source]
+        authors = []
+        if twt.source.url != config.twturl:
+            authors.append(twt.source)
         for reply in twt.replies:
             for reply_author in self._collect_authors(reply):
-                if reply_author not in authors:
+                if reply_author not in authors and reply_author.url != config.twturl:
                     authors.append(reply_author)
         return authors