diff --git a/pantalaimon/panctl.py b/pantalaimon/panctl.py
index b837ba9..4ebbbb6 100644
--- a/pantalaimon/panctl.py
+++ b/pantalaimon/panctl.py
@@ -132,11 +132,11 @@ class PanCompleter(Completer):
         return compl_words
 
     def complete_pan_users(self, last_word):
-            users = self.ctl.ListUsers()
-            compl_words = self.filter_words([i[0] for i in users], last_word)
+        users = self.ctl.ListUsers()
+        compl_words = self.filter_words([i[0] for i in users], last_word)
 
-            for compl_word in compl_words:
-                yield Completion(compl_word, -len(last_word))
+        for compl_word in compl_words:
+            yield Completion(compl_word, -len(last_word))
 
     def complete_verification(self, command, last_word, words):
         if len(words) == 2:
diff --git a/pantalaimon/ui.py b/pantalaimon/ui.py
index 77a78b4..dbeb2f1 100644
--- a/pantalaimon/ui.py
+++ b/pantalaimon/ui.py
@@ -16,7 +16,6 @@ from pantalaimon.thread_messages import (
     DeviceConfirmSasMessage,
     ImportKeysMessage,
     ExportKeysMessage,
-    StartSasSignal,
     ShowSasSignal,
     InviteSasSignal,
     SasDoneSignal,