Cleanup test/test_dialog_wrappers.py

test/test_dialog_wrappers.py

@@ -7,7 +7,6 @@ our code after the dialog started, even though it is modal.
 """
 
 import unittest
-from functools import partial
 from PySide2 import QtGui
 from PySide2.QtWidgets import QApplication, QMessageBox
 from PySide2.QtCore import QTimer, Qt
@@ -38,8 +37,8 @@ class TestDialogWrappers(unittest.TestCase):
         """Test the general QMessageBox wrapper."""
         QTimer.singleShot(
             0,
-            partial(
-                self.assert_that_dialog_has_icon_and_close, QMessageBox.NoIcon
+            lambda: self.assert_that_dialog_has_icon_and_close(
+                QMessageBox.NoIcon
             ),
         )
         exec_qmessagebox_dialog(
@@ -50,9 +49,8 @@ class TestDialogWrappers(unittest.TestCase):
         """Test the critical message wrapper."""
         QTimer.singleShot(
             0,
-            partial(
-                self.assert_that_dialog_has_icon_and_close,
-                QMessageBox.Critical,
+            lambda: self.assert_that_dialog_has_icon_and_close(
+                QMessageBox.Critical
             ),
         )
         exec_critical_dialog("text", "informative text")
@@ -61,9 +59,8 @@ class TestDialogWrappers(unittest.TestCase):
         """Test the info message wrapper."""
         QTimer.singleShot(
             0,
-            partial(
-                self.assert_that_dialog_has_icon_and_close,
-                QMessageBox.Information,
+            lambda: self.assert_that_dialog_has_icon_and_close(
+                QMessageBox.Information
             ),
         )
         exec_info_dialog("text", "informative text")
@@ -72,8 +69,8 @@ class TestDialogWrappers(unittest.TestCase):
         """Test the warning message wrapper."""
         QTimer.singleShot(
             0,
-            partial(
-                self.assert_that_dialog_has_icon_and_close, QMessageBox.Warning
+            lambda: self.assert_that_dialog_has_icon_and_close(
+                QMessageBox.Warning
             ),
         )
         exec_warning_dialog("text", "informative text")