diff --git a/ceo/tui/positions/SetPositionsView.py b/ceo/tui/positions/SetPositionsView.py
index 57bb9da..bf23cbb 100644
--- a/ceo/tui/positions/SetPositionsView.py
+++ b/ceo/tui/positions/SetPositionsView.py
@@ -1,5 +1,3 @@
-from threading import Thread
-
 from asciimatics.widgets import Layout, Label, Text
 from zope import component
 
@@ -40,7 +38,7 @@ class SetPositionsView(CeoFrame):
         self.save()
         body = {pos: username for pos, username in self.data.items() if username}
 
-        self._model.deferred_req = defer(http_post, f'/api/positions', json=body)
+        self._model.deferred_req = defer(http_post, '/api/positions', json=body)
         self._model.operations = UpdateMemberPositionsTransaction.operations
         self._model.confirm_lines = [
             "The positions will be updated as follows:",