Re #28464 fix flake8 warnings

qt/python/mantidqt/widgets/plotconfigdialog/axestabwidget/__init__.py

@@ -8,6 +8,7 @@
 
 from mpl_toolkits.mplot3d import Axes3D
 
+
 class AxProperties(dict):
     """
     An object to store the properties that can be set in the Axes

qt/python/mantidqt/widgets/plotconfigdialog/axestabwidget/presenter.py

@@ -6,8 +6,6 @@
 # SPDX - License - Identifier: GPL - 3.0 +
 #  This file is part of the mantid workbench.
 
-from mpl_toolkits.mplot3d import Axes3D
-
 from mantidqt.widgets.plotconfigdialog import generate_ax_name, get_axes_names_dict
 from mantidqt.widgets.plotconfigdialog.axestabwidget import AxProperties
 from mantidqt.widgets.plotconfigdialog.axestabwidget.view import AxesTabWidgetView

qt/python/mantidqt/widgets/plotconfigdialog/axestabwidget/view.py

@@ -8,7 +8,7 @@
 
 from qtpy.QtCore import Qt
 from qtpy.QtGui import QDoubleValidator
-from qtpy.QtWidgets import QWidget, QMessageBox
+from qtpy.QtWidgets import QWidget
 
 from mantidqt.utils.qt import load_ui
 from mantidqt.widgets.plotconfigdialog.axestabwidget import AxProperties