diff --git a/gui/wxpython/mapdisp/frame.py b/gui/wxpython/mapdisp/frame.py
index 119a14a8159..1f5b021f4f7 100644
--- a/gui/wxpython/mapdisp/frame.py
+++ b/gui/wxpython/mapdisp/frame.py
@@ -29,18 +29,30 @@
 from typing import TYPE_CHECKING
 
 from core import globalvar
+
+# isort: split
 import wx
 import wx.aui
-
-from mapdisp.toolbars import MapToolbar, NvizIcons
-from mapdisp.gprint import PrintOptions
-from core.gcmd import GError, GMessage, RunCommand
-from core.utils import ListOfCatsToRange, GetLayerNameFromCmd
-from gui_core.dialogs import GetImageHandlers, ImageSizeDialog
 from core.debug import Debug
+from core.gcmd import GError, GMessage, RunCommand
+from core.giface import Notification
 from core.settings import UserSettings
-from gui_core.mapdisp import SingleMapPanel, FrameMixin
-from gui_core.query import QueryDialog, PrepareQueryResults
+from core.utils import GetLayerNameFromCmd, ListOfCatsToRange
+from gui_core.dialogs import GetImageHandlers, ImageSizeDialog
+from gui_core.forms import GUI
+from gui_core.mapdisp import FrameMixin, SingleMapPanel
+from gui_core.query import PrepareQueryResults, QueryDialog
+from gui_core.vselect import VectorSelectBase, VectorSelectHighlighter
+from gui_core.wrap import Menu
+from main_window.page import MainPageBase
+from mapdisp import statusbar as sb
+from mapdisp.gprint import PrintOptions
+from mapdisp.toolbars import MapToolbar, NvizIcons
+from mapwin.analysis import (
+    MeasureAreaController,
+    MeasureDistanceController,
+    ProfileController,
+)
 from mapwin.buffered import BufferedMapWindow
 from mapwin.decorations import (
     ArrowController,
@@ -49,17 +61,6 @@
     LegendController,
     LegendVectController,
 )
-from mapwin.analysis import (
-    MeasureAreaController,
-    MeasureDistanceController,
-    ProfileController,
-)
-from gui_core.forms import GUI
-from core.giface import Notification
-from gui_core.vselect import VectorSelectBase, VectorSelectHighlighter
-from gui_core.wrap import Menu
-from mapdisp import statusbar as sb
-from main_window.page import MainPageBase
 
 import grass.script as gs
 from grass.pydispatch.signal import Signal