Return address on shortcircuited dud lookup

clicada/cli/arg.py

@@ -192,7 +192,7 @@ class CmdCtrl:
 
 
     def ouch(self, v):
-        self.writer.croak(v)
+        self.writer.ouch(v)
         print()
 
 

clicada/user/file.py

@@ -229,7 +229,7 @@ class FileUserStore:
         #if self.failed_entities.get(address):
         if self.is_dud(address):
             logg.debug('already tried and failed {}, skipping'.format(address))
-            return None
+            return address
 
         ignore_expired = self.sticky(address)