diff --git a/qt/python/mantidqt/utils/qt/test/test_qappthreadcall.py b/qt/python/mantidqt/utils/qt/test/test_qappthreadcall.py
index acd696dd833683c39b2af1ef97575aeb5630d4f0..7acf3fc7b3a83768ca1a56ea02de3eb39eb381f6 100644
--- a/qt/python/mantidqt/utils/qt/test/test_qappthreadcall.py
+++ b/qt/python/mantidqt/utils/qt/test/test_qappthreadcall.py
@@ -9,12 +9,11 @@
 #
 import unittest
 
-from time import sleep
+from qtpy.QtWidgets import QApplication
 
+from mantidqt.utils.asynchronous import AsyncTask, TaskExitCode
 from mantidqt.utils.qt.qappthreadcall import QAppThreadCall
-from qtpy.QtWidgets import QApplication
 from mantidqt.utils.qt.testing import start_qapplication
-from mantidqt.utils.asynchronous import AsyncTask, TaskExitCode
 
 class CustomException(Exception):
     pass