diff --git a/doc/source/usage/tutorial/Parallelization/MultiGPU.ipynb b/doc/source/usage/tutorial/Parallelization/MultiGPU.ipynb
index c68d08519..942824abd 100644
--- a/doc/source/usage/tutorial/Parallelization/MultiGPU.ipynb
+++ b/doc/source/usage/tutorial/Parallelization/MultiGPU.ipynb
@@ -584,7 +584,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.12"
+   "version": "3.13.1"
   }
  },
  "nbformat": 4,
diff --git a/src/pyFAI/app/calib2.py b/src/pyFAI/app/calib2.py
index f34cba56e..5cefde39b 100755
--- a/src/pyFAI/app/calib2.py
+++ b/src/pyFAI/app/calib2.py
@@ -28,7 +28,7 @@
 __contact__ = "valentin.valls@esrf.eu"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "10/11/2025"
+__date__ = "21/11/2025"
 __status__ = "production"
 
 import os
@@ -37,11 +37,13 @@
 from argparse import ArgumentParser
 
 import logging
-import pyFAI.resources
-import pyFAI.calibrant
-import pyFAI.detectors
-import pyFAI.io.image
-from pyFAI.io.ponifile import PoniFile
+from .. import resources
+from .. import calibrant
+from .. import detectors
+from ..io import image
+from ..io.ponifile import PoniFile
+from .. import version as pyFAI_version, date as pyFAI_date
+from .. import units as pyFAI_units
 
 logging.basicConfig(level=logging.INFO)
 logging.captureWarnings(True)
@@ -85,7 +87,7 @@ def configure_parser_arguments(parser):
     parser.add_argument("-w", "--wavelength", dest="wavelength", type=float,
                         help="wavelength of the X-Ray beam in Angstrom.", default=None)
     parser.add_argument("-e", "--energy", dest="energy", type=float,
-                        help="energy of the X-Ray beam in keV (hc=%skeV.A)." % pyFAI.units.hc, default=None)
+                        help="energy of the X-Ray beam in keV (hc=%skeV.A)." % pyFAI_units.hc, default=None)
     parser.add_argument("-P", "--polarization", dest="polarization_factor",
                         type=float, default=None,
                         help="polarization factor, from -1 (vertical) to +1 (horizontal)," +
@@ -251,7 +253,7 @@ def configure_parser_arguments(parser):
 You will need to provide a calibrant or a "d-spacing" file containing the
 spacing of Miller plans in Angstrom (in decreasing order).
 %s or search in the American Mineralogist database:
-http://rruff.geo.arizona.edu/AMS/amcsd.php""" % str(pyFAI.calibrant.ALL_CALIBRANTS)
+http://rruff.geo.arizona.edu/AMS/amcsd.php""" % str(calibrant.ALL_CALIBRANTS)
 
 epilog = """The output of this program is a "PONI" file containing the
 detector description and the 6 refined parameters (distance, center, rotation)
@@ -294,7 +296,7 @@ def parse_options():
     """
     usage = "pyFAI-calib2 [options] input_image.edf"
     parser = ArgumentParser(usage=usage, description=description, epilog=epilog)
-    version = "calibration from pyFAI  version %s: %s" % (pyFAI.version, pyFAI.date)
+    version = "calibration from pyFAI  version %s: %s" % (pyFAI_version, pyFAI_date)
     parser.add_argument("-V", "--version", action='version', version=version)
     configure_parser_arguments(parser)
 
@@ -333,10 +335,10 @@ def setup_model(model, options):
     if options.spacing:
         calibrant = None
         try:
-            if options.spacing in pyFAI.calibrant.CALIBRANT_FACTORY:
-                calibrant = pyFAI.calibrant.CALIBRANT_FACTORY(options.spacing)
+            if options.spacing in calibrant.CALIBRANT_FACTORY:
+                calibrant = calibrant.CALIBRANT_FACTORY(options.spacing)
             elif os.path.isfile(options.spacing):
-                calibrant = pyFAI.calibrant.Calibrant(options.spacing)
+                calibrant = calibrant.Calibrant(options.spacing)
             else:
                 logger.error("No such Calibrant / d-Spacing file: %s", options.spacing)
         except Exception as e:
@@ -366,15 +368,15 @@ def setup_model(model, options):
             displayExceptionBox("Error while loading the detector", e)
     elif options.pixel:
         pixel_size = parse_pixel_size(options.pixel)
-        detector = pyFAI.detectors.Detector(pixel1=pixel_size[0], pixel2=pixel_size[0])
+        detector = detectors.Detector(pixel1=pixel_size[0], pixel2=pixel_size[0])
     else:
         detector = None
 
     if options.spline:
         try:
             if detector is None:
-                detector = pyFAI.detectors.Detector(splinefile=options.spline)
-            elif detector.__class__ is pyFAI.detectors.Detector or detector.HAVE_TAPER:
+                detector = detectors.Detector(splinefile=options.spline)
+            elif detector.__class__ is detectors.Detector or detector.HAVE_TAPER:
                 detector.splinefile = options.spline
             else:
                 logger.warning("Spline file not supported with this kind of detector. Argument ignored.")
@@ -414,7 +416,7 @@ def setup_model(model, options):
 
     if options.mask:
         try:
-            data = pyFAI.io.image.read_image_data(options.mask)
+            data = image.read_image_data(options.mask)
         except Exception as e:
             displayExceptionBox("Error while loading the mask", e)
         else:
@@ -427,7 +429,7 @@ def setup_model(model, options):
     elif len(args) == 1:
         image_file = args[0]
         try:
-            data = pyFAI.io.image.read_image_data(image_file)
+            data = image.read_image_data(image_file)
         except Exception as e:
             displayExceptionBox("Error while loading the image", e)
         else:
@@ -517,7 +519,7 @@ def setup_model(model, options):
 
     # Integration
     if options.unit:
-        unit = pyFAI.units.to_unit(options.unit)
+        unit = pyFAI_units.to_unit(options.unit)
         integrationSettingsModel.radialUnit().setValue(unit)
 
     if options.outfile:
@@ -536,7 +538,7 @@ def setup_model(model, options):
         logger.error("background option not supported")
     if options.dark:
         try:
-            data = pyFAI.io.image.read_image_data(options.dark)
+            data = image.read_image_data(options.dark)
         except Exception as e:
             displayExceptionBox("Error while loading the dark current image", e)
         else:
@@ -546,7 +548,7 @@ def setup_model(model, options):
                 image_model.setSynchronized(True)
     if options.flat:
         try:
-            data = pyFAI.io.image.read_image_data(options.flat)
+            data = image.read_image_data(options.flat)
         except Exception as e:
             displayExceptionBox("Error while loading the flat-field image", e)
         else:
@@ -616,8 +618,8 @@ def main():
 
     # Make sure matplotlib is loaded first by silx
     import silx.gui.utils.matplotlib
-    from pyFAI.gui.CalibrationWindow import CalibrationWindow
-    from pyFAI.gui.CalibrationContext import CalibrationContext
+    from ..gui.CalibrationWindow import CalibrationWindow
+    from ..gui.CalibrationContext import CalibrationContext
 
     sys.excepthook = logUncaughtExceptions
     if options.qtargs is None:
@@ -625,7 +627,7 @@ def main():
     else:
         qtArgs = options.qtargs.split()
     app = qt.QApplication(qtArgs)
-    pyFAI.resources.silx_integration()
+    resources.silx_integration()
 
     settings = qt.QSettings(qt.QSettings.IniFormat,
                             qt.QSettings.UserScope,
@@ -641,7 +643,8 @@ def main():
     window.setVisible(True)
     window.setAttribute(qt.Qt.WA_DeleteOnClose, True)
 
-    result = app.exec_()
+    result = app.exec()
+
     context.saveSettings()
 
     # remove ending warnings relative to QTimer
diff --git a/src/pyFAI/app/diff_map.py b/src/pyFAI/app/diff_map.py
index 1a472a970..aa69c930d 100755
--- a/src/pyFAI/app/diff_map.py
+++ b/src/pyFAI/app/diff_map.py
@@ -33,7 +33,7 @@
 __contact__ = "Jerome.Kieffer@ESRF.eu"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "07/10/2025"
+__date__ = "21/11/2025"
 __satus__ = "Production"
 
 import sys
@@ -70,7 +70,8 @@ def main(args=None):
         window.set_config(config)
         # window.restore()
         window.show()
-        sys.exit(app.exec_())
+        result = app.exec()
+        sys.exit(result)
         del context
     else:
         dt.configure_worker(config.ai)
diff --git a/src/pyFAI/app/drawmask.py b/src/pyFAI/app/drawmask.py
index a32e032a1..f59758ddd 100755
--- a/src/pyFAI/app/drawmask.py
+++ b/src/pyFAI/app/drawmask.py
@@ -33,10 +33,11 @@
 __contact__ = "Jerome.Kieffer@ESRF.eu"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "07/10/2025"
+__date__ = "21/11/2025"
 __satus__ = "Production"
 
 import os
+import sys
 import numpy
 from argparse import ArgumentParser
 import fabio
@@ -182,12 +183,11 @@ def main(args=None):
     window.setOutputFile(outfile)
 
     print("Your mask-file will be saved into %s" % (outfile))
-
-    app.exec_()
+    result = app.exec()
 
     mask = window.getSelectionMask()
     postProcessId21(processFile, mask)
-
+    sys.exit(result)
 
 if __name__ == "__main__":
     main()
diff --git a/src/pyFAI/app/integrate.py b/src/pyFAI/app/integrate.py
index 6904364cb..662e40f51 100755
--- a/src/pyFAI/app/integrate.py
+++ b/src/pyFAI/app/integrate.py
@@ -33,7 +33,7 @@
 __contact__ = "Jerome.Kieffer@ESRF.eu"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "07/10/2025"
+__date__ = "21/11/2025"
 __satus__ = "production"
 
 import sys
@@ -109,7 +109,7 @@ def processData(config=None):
 
             dialog.setFileMode(qt.QFileDialog.ExistingFiles)
             moveCenterTo(dialog, center)
-            result = dialog.exec_()
+            result = dialog.exec()
             if not result:
                 return
             input_data = [str(i) for i in dialog.selectedFiles()]
@@ -138,7 +138,7 @@ def run(self):
         qtProcess = QtProcess()
         qtProcess.start()
 
-        result = dialog.exec_()
+        result = dialog.exec()
         if result:
             qt.QMessageBox.information(dialog,
                                        "Integration",
@@ -153,7 +153,7 @@ def run(self):
     window.batchProcessRequested.connect(validateConfig)
     window.show()
 
-    result = app.exec_()
+    result = app.exec()
     context.saveSettings()
     return result
 
diff --git a/src/pyFAI/containers.py b/src/pyFAI/containers.py
index 028c3c372..189ed0403 100644
--- a/src/pyFAI/containers.py
+++ b/src/pyFAI/containers.py
@@ -26,29 +26,24 @@
 
 """Module containing holder classes, like returned objects."""
 
-__author__ = "Valentin Valls"
+__authors__ = ["Valentin Valls", "Jérôme Kieffer"]
 __contact__ = "valentin.valls@esrf.eu"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "02/10/2025"
+__date__ = "17/11/2025"
 __status__ = "development"
 
-import sys
 import copy
 import logging
 import warnings
-from dataclasses import dataclass as _dataclass, fields as fields, asdict as asdict
 from typing import NamedTuple
 from enum import IntEnum
-from .utils.decorators import deprecated_warning
+from dataclasses import fields, asdict  # noqa
 import numpy
 from numpy.typing import ArrayLike
+from .utils.dataclasses import dataclass, case_insensitive_dataclass  # noqa
+from .utils.decorators import deprecated_warning
 
-# User defined dataclasses
-if sys.version_info >= (3, 10):
-    dataclass = _dataclass(slots=True)
-else:
-    dataclass = _dataclass
 
 logger = logging.getLogger(__name__)
 
diff --git a/src/pyFAI/geometry/core.py b/src/pyFAI/geometry/core.py
index e633e16ff..ea93f026b 100644
--- a/src/pyFAI/geometry/core.py
+++ b/src/pyFAI/geometry/core.py
@@ -2171,7 +2171,7 @@ def make_headers(self, type_="list"):
         """
         res = None
         if type_ == "dict":
-            res = self.getPyFAI()
+            res = self.get_config()
         else:  # type_ == "list":
             f2d = self.getFit2D()
             res = [
diff --git a/src/pyFAI/gui/__init__.py b/src/pyFAI/gui/__init__.py
index ad9d55329..0a2ecfbdd 100644
--- a/src/pyFAI/gui/__init__.py
+++ b/src/pyFAI/gui/__init__.py
@@ -1,7 +1,7 @@
 # coding: utf-8
 # /*##########################################################################
 #
-# Copyright (C) 2016-2018 European Synchrotron Radiation Facility
+# Copyright (C) 2016-2025 European Synchrotron Radiation Facility
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -26,4 +26,4 @@
 
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
 __license__ = "MIT"
-__date__ = "06/03/2018"
+__date__ = "21/11/2025"
diff --git a/src/pyFAI/gui/dialog/DetectorSelectorDialog.py b/src/pyFAI/gui/dialog/DetectorSelectorDialog.py
index 59d3ea4be..ebd18cd9d 100644
--- a/src/pyFAI/gui/dialog/DetectorSelectorDialog.py
+++ b/src/pyFAI/gui/dialog/DetectorSelectorDialog.py
@@ -25,7 +25,7 @@
 
 __authors__ = ["Valentin Valls", "Jérôme Kieffer"]
 __license__ = "MIT"
-__date__ = "30/10/2025"
+__date__ = "21/11/2025"
 
 import os
 import logging
@@ -216,7 +216,7 @@ def setSensorConfig(self, sensor: SensorConfig | None = None):
         with block_signals(self._detectorSensorThickness):
             if index < 0:
                 self._detectorSensorThickness.addItem(
-                    f"{1e6 * sensor.thickness:4.0f}" if sensor.thickness else "", 
+                    f"{1e6 * sensor.thickness:4.0f}" if sensor.thickness else "",
                     userData=sensor.thickness
                 )
                 index = self._detectorSensorThickness.findData(sensor.thickness)
@@ -226,7 +226,7 @@ def setSensorConfig(self, sensor: SensorConfig | None = None):
         with block_signals(self._detectorSensorMaterials):
             if index < 0:
                 self._detectorSensorMaterials.addItem(
-                    sensor.material.name if sensor.material else "", 
+                    sensor.material.name if sensor.material else "",
                     userData=sensor.material
                 )
                 index = self._detectorSensorMaterials.findData(sensor.material)
@@ -339,7 +339,7 @@ def createSplineDialog(self, title, previousFile):
     def loadSplineFile(self):
         previousFile = self.__splineFile.value()
         dialog = self.createSplineDialog("Load spline image", previousFile=previousFile)
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return
         filename = dialog.selectedFiles()[0]
@@ -410,7 +410,7 @@ def __loadDetectorFormFile(self):
         dialog = self.createFileDialog(
             "Load detector from HDF5 file", previousFile=previousFile
         )
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return
         filename = dialog.selectedFiles()[0]
diff --git a/src/pyFAI/gui/dialog/MessageBox.py b/src/pyFAI/gui/dialog/MessageBox.py
index 5e4f674cf..7255cb4b9 100644
--- a/src/pyFAI/gui/dialog/MessageBox.py
+++ b/src/pyFAI/gui/dialog/MessageBox.py
@@ -1,7 +1,7 @@
 # coding: utf-8
 # /*##########################################################################
 #
-# Copyright (C) 2016-2018 European Synchrotron Radiation Facility
+# Copyright (C) 2016-2025 European Synchrotron Radiation Facility
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -23,9 +23,9 @@
 #
 # ###########################################################################*/
 
-__authors__ = ["V. Valls"]
+__authors__ = ["V. Valls", "Jérôme Kieffer"]
 __license__ = "MIT"
-__date__ = "16/10/2020"
+__date__ = "21/11/2025"
 
 import logging
 import sys
@@ -72,4 +72,4 @@ def exception(parent, title, exc_info, logger=None):
     msg.setDetailedText(detailed)
 
     msg.raise_()
-    msg.exec_()
+    (msg).exec()
diff --git a/src/pyFAI/gui/diffmap_widget.py b/src/pyFAI/gui/diffmap_widget.py
index 0bda29c96..6c86343ee 100644
--- a/src/pyFAI/gui/diffmap_widget.py
+++ b/src/pyFAI/gui/diffmap_widget.py
@@ -30,7 +30,7 @@
 __contact__ = "Jerome.Kieffer@ESRF.eu"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "14/05/2025"
+__date__ = "21/11/2025"
 __status__ = "development"
 __docformat__ = 'restructuredtext'
 
@@ -310,7 +310,7 @@ def configure_diffraction(self, *arg, **kwarg):
         if self.integration_config is not None:
             iw.widget.setWorkerConfig(self.integration_config)
         while True:
-            res = iw.exec_()
+            res = (iw).exec()
             if res == qt.QDialog.Accepted:
                 self.integration_config = iw.widget.getWorkerConfig()
                 if self.integration_config.nbpt_rad:
diff --git a/src/pyFAI/gui/tasks/ExperimentTask.py b/src/pyFAI/gui/tasks/ExperimentTask.py
index 2d6e1c6ed..1ee653f56 100644
--- a/src/pyFAI/gui/tasks/ExperimentTask.py
+++ b/src/pyFAI/gui/tasks/ExperimentTask.py
@@ -25,7 +25,7 @@
 
 __authors__ = ["Valentin Valls", "Jérôme Kieffer"]
 __license__ = "MIT"
-__date__ = "07/11/2025"
+__date__ = "21/11/2025"
 
 import numpy
 import logging
@@ -145,7 +145,7 @@ def __display3dDialog(self):
         dialog.setData(detector=detector,
                        image=image, mask=mask, colormap=colormap,
                        geometry=None)
-        dialog.exec_()
+        (dialog).exec()
 
     def _updateModel(self, model):
         self.__synchronizeRawView.registerModel(model.rawPlotView())
@@ -235,7 +235,7 @@ def __customDetector(self):
         detector = settings.detectorModel().detector()
         dialog = DetectorSelectorDialog(self)
         dialog.selectDetector(detector)
-        result = dialog.exec_()
+        result = (dialog).exec()
         if result and dialog.selectedDetector():
             newDetector = dialog.selectedDetector()
             settings.detectorModel().setDetector(newDetector)
@@ -449,7 +449,7 @@ def createCalibrantDialog(self, title):
     def loadCalibrant(self):
         dialog = self.createCalibrantDialog("Load calibrant file")
 
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return
 
diff --git a/src/pyFAI/gui/tasks/GeometryTask.py b/src/pyFAI/gui/tasks/GeometryTask.py
index c64344622..6d876f1a0 100644
--- a/src/pyFAI/gui/tasks/GeometryTask.py
+++ b/src/pyFAI/gui/tasks/GeometryTask.py
@@ -23,9 +23,9 @@
 #
 # ###########################################################################*/
 
-__authors__ = ["V. Valls"]
+__authors__ = ["V. Valls", "Jérôme Kieffer"]
 __license__ = "MIT"
-__date__ = "31/10/2025"
+__date__ = "21/11/2025"
 
 import logging
 import numpy
@@ -34,9 +34,10 @@
 from silx.gui import qt
 from silx.gui import icons
 import silx.gui.plot
+from silx.image import marchingsquares
 
-import pyFAI.utils
-from pyFAI.utils import stringutil
+from ... import utils as pyFAI_utils
+from ...utils import stringutil
 from .AbstractCalibrationTask import AbstractCalibrationTask
 from ..helper.RingCalibration import RingCalibration
 from ..helper.SynchronizeRawView import SynchronizeRawView
@@ -54,7 +55,6 @@
 from ...geometry import fit2d
 from ...io.ponifile import PoniFile
 
-from silx.image import marchingsquares
 
 _logger = logging.getLogger(__name__)
 
@@ -561,7 +561,7 @@ def setProcessing(self):
 class GeometryTask(AbstractCalibrationTask):
 
     def _initGui(self):
-        qt.loadUi(pyFAI.utils.get_ui_file("calibration-geometry.ui"), self)
+        qt.loadUi(pyFAI_utils.get_ui_file("calibration-geometry.ui"), self)
         icon = icons.getQIcon("pyfai:gui/icons/task-fit-geometry")
         self.setWindowIcon(icon)
 
@@ -1123,4 +1123,4 @@ def __display3dDialog(self):
         dialog.setData(detector=detector,
                        image=image, mask=mask, colormap=colormap,
                        geometry=geometry)
-        dialog.exec_()
+        (dialog).exec()
diff --git a/src/pyFAI/gui/tasks/IntegrationTask.py b/src/pyFAI/gui/tasks/IntegrationTask.py
index 584f12da0..16d88cac8 100644
--- a/src/pyFAI/gui/tasks/IntegrationTask.py
+++ b/src/pyFAI/gui/tasks/IntegrationTask.py
@@ -25,7 +25,7 @@
 
 __authors__ = ["V. Valls", "J. Kieffer"]
 __license__ = "MIT"
-__date__ = "03/11/2025"
+__date__ = "21/11/2025"
 
 import logging
 import numpy
@@ -759,7 +759,7 @@ def __plot2dContextMenu(self, pos):
             menu.addAction(action)
 
         handle = self.__plot2d.getWidgetHandle()
-        menu.exec_(handle.mapToGlobal(pos))
+        (menu).exec(handle.mapToGlobal(pos))
 
     def __clearRings(self):
         """Remove of ring item cached on the plots"""
@@ -893,7 +893,7 @@ def __saveAsCsv(self):
         if self.__result1d is None:
             return
         dialog = createSaveDialog(self, "Save 1D integration as CSV file", csv=True)
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return
         filename = dialog.selectedFiles()[0]
@@ -961,7 +961,7 @@ def _initGui(self):
     def __customIntegrationMethod(self):
         dialog = IntegrationMethodDialog(self)
         dialog.selectMethod(self.__method)
-        result = dialog.exec_()
+        result = (dialog).exec()
         if result:
             method = dialog.selectedMethod()
             self.__setMethod(method)
@@ -1123,7 +1123,7 @@ def __saveAsPoni(self):
         if previousPoniFile is not None:
             dialog.selectFile(previousPoniFile)
 
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return
         filename = dialog.selectedFiles()[0]
@@ -1157,7 +1157,7 @@ def __saveJsonFile(self):
         if previousJsonFile is not None:
             dialog.selectFile(previousJsonFile)
 
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return
         filename = dialog.selectedFiles()[0]
diff --git a/src/pyFAI/gui/tasks/PeakPickingTask.py b/src/pyFAI/gui/tasks/PeakPickingTask.py
index eca288e68..716b77dbc 100644
--- a/src/pyFAI/gui/tasks/PeakPickingTask.py
+++ b/src/pyFAI/gui/tasks/PeakPickingTask.py
@@ -25,7 +25,7 @@
 
 __authors__ = ["V. Valls"]
 __license__ = "MIT"
-__date__ = "19/01/2024"
+__date__ = "21/11/2025"
 
 import logging
 import numpy
@@ -1144,7 +1144,7 @@ def __createLoadPeakDialog(self):
     def __loadPeaksFromFile(self):
         dialog = self.__createLoadPeakDialog()
 
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return
 
@@ -1169,7 +1169,7 @@ def __loadPeaksFromFile(self):
     def __savePeaksAsFile(self):
         dialog = self.__createSavePeakDialog()
 
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return
 
diff --git a/src/pyFAI/gui/utils/__init__.py b/src/pyFAI/gui/utils/__init__.py
index 36e35767a..d8a5e6703 100644
--- a/src/pyFAI/gui/utils/__init__.py
+++ b/src/pyFAI/gui/utils/__init__.py
@@ -34,7 +34,7 @@
 __contact__ = "Jerome.Kieffer@ESRF.eu"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "30/10/2025"
+__date__ = "17/11/2025"
 __status__ = "production"
 
 
@@ -85,4 +85,3 @@ def maximize_fig(fig=None):
             except TypeError:
                 mng.resize(*win_shape)
     update_fig(fig)
-
diff --git a/src/pyFAI/gui/widgets/LoadImageToolButton.py b/src/pyFAI/gui/widgets/LoadImageToolButton.py
index 8d6a5d75b..0f3fb244d 100644
--- a/src/pyFAI/gui/widgets/LoadImageToolButton.py
+++ b/src/pyFAI/gui/widgets/LoadImageToolButton.py
@@ -1,7 +1,7 @@
 # coding: utf-8
 # /*##########################################################################
 #
-# Copyright (C) 2016-2024 European Synchrotron Radiation Facility
+# Copyright (C) 2016-2025 European Synchrotron Radiation Facility
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -23,9 +23,9 @@
 #
 # ###########################################################################*/
 
-__authors__ = ["V. Valls"]
+__authors__ = ["V. Valls", "Jérôme Kieffer"]
 __license__ = "MIT"
-__date__ = "29/01/2024"
+__date__ = "21/11/2025"
 
 import fabio
 import os
@@ -69,7 +69,7 @@ def __execute(self):
         dialog.setModal(True)
         dialog.setFileMode(qt.QFileDialog.ExistingFile)
 
-        result = dialog.exec_()
+        result = (dialog).exec()
         if result:
             filename = dialog.selectedFiles()[0]
             if self.parent()._isDataSupported():
@@ -107,7 +107,7 @@ def __execute(self):
         dialog.setWindowTitle(self.parent().dialogTitle())
         dialog.setModal(True)
 
-        result = dialog.exec_()
+        result = (dialog).exec()
         if result:
             url = dialog.selectedUrl()
             data = dialog.selectedImage()
diff --git a/src/pyFAI/gui/widgets/WorkerConfigurator.py b/src/pyFAI/gui/widgets/WorkerConfigurator.py
index 120302851..9c5789eb9 100644
--- a/src/pyFAI/gui/widgets/WorkerConfigurator.py
+++ b/src/pyFAI/gui/widgets/WorkerConfigurator.py
@@ -33,7 +33,7 @@
 __contact__ = "Jerome.Kieffer@ESRF.eu"
 __license__ = "MIT"
 __copyright__ = "European Synchrotron Radiation Facility, Grenoble, France"
-__date__ = "18/02/2025"
+__date__ = "21/11/2025"
 __status__ = "development"
 
 import logging
@@ -465,7 +465,7 @@ def getOpenFileName(self, title):
         dialog.setModal(True)
         dialog.setFileMode(qt.QFileDialog.ExistingFile)
 
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return None
 
@@ -475,7 +475,7 @@ def getOpenFileName(self, title):
     def selectDetector(self):
         dialog = DetectorSelectorDialog(self)
         dialog.selectDetector(self.__detector)
-        result = dialog.exec_()
+        result = (dialog).exec()
         if result:
             newDetector = dialog.selectedDetector()
             self.setDetector(newDetector)
@@ -496,7 +496,7 @@ def selectGeometry(self):
         dialog = GeometryDialog(self)
         dialog.setGeometryModel(self.__geometryModel)
         dialog.setDetector(self.__detector)
-        result = dialog.exec_()
+        result = (dialog).exec()
         if result:
             geometry = dialog.geometryModel()
             if geometry.isValid(checkWaveLength=False):
@@ -507,7 +507,7 @@ def selectGeometry(self):
     def selectOpenclDevice(self):
         dialog = OpenClDeviceDialog(self)
         dialog.selectDevice(self.__openclDevice)
-        result = dialog.exec_()
+        result = (dialog).exec()
         if result:
             device = dialog.device()
             self.__setOpenclDevice(device)
@@ -515,7 +515,7 @@ def selectOpenclDevice(self):
     def selectMethod(self):
         dialog = IntegrationMethodDialog(self)
         dialog.selectMethod(self.__method)
-        result = dialog.exec_()
+        result = (dialog).exec()
         if result:
             method = dialog.selectedMethod()
             dim = 2 if self.do_2D.isChecked() else 1
@@ -545,7 +545,7 @@ def __selectFile(self):
         builder.addFileFormat("JSON files", "json")
         dialog.setNameFilters(builder.getFilters())
 
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return
 
@@ -568,7 +568,7 @@ def __savePoni(self):
 #         builder.addFileFormat("JSON files", "json")
         dialog.setNameFilters(builder.getFilters())
 
-        result = dialog.exec_()
+        result = (dialog).exec()
         if not result:
             return