diff --git a/python/plugins/processing/gui/AlgorithmDialog.py b/python/plugins/processing/gui/AlgorithmDialog.py
index f093f0316429..2107b1f50af0 100644
--- a/python/plugins/processing/gui/AlgorithmDialog.py
+++ b/python/plugins/processing/gui/AlgorithmDialog.py
@@ -59,6 +59,7 @@
 from processing.gui.AlgorithmDialogBase import AlgorithmDialogBase
 from processing.gui.AlgorithmExecutor import executeIterating, execute
 from processing.gui.Postprocessing import handleAlgorithmResults
+from processing.gui.wrappers import WidgetWrapper
 
 from processing.tools import dataobjects
 
@@ -103,10 +104,11 @@ def getParameterValues(self):
                 except KeyError:
                     continue
 
-                try:
-                    widget = wrapper.wrappedWidget()
-                except AttributeError:
+                if issubclass(wrapper.__class__, WidgetWrapper):
                     widget = wrapper.widget
+                else:
+                    widget = wrapper.wrappedWidget()
+
                 if widget is None:
                     continue
 
diff --git a/python/plugins/processing/gui/BatchAlgorithmDialog.py b/python/plugins/processing/gui/BatchAlgorithmDialog.py
index 49dcb74cdb41..2da27008156c 100644
--- a/python/plugins/processing/gui/BatchAlgorithmDialog.py
+++ b/python/plugins/processing/gui/BatchAlgorithmDialog.py
@@ -83,8 +83,8 @@ def accept(self):
                 if param.flags() & QgsProcessingParameterDefinition.FlagHidden or param.isDestination():
                     continue
                 wrapper = self.mainWidget().wrappers[row][col]
-                parameters[param.name()] = wrapper.value()
-                if not param.checkValueIsAcceptable(wrapper.value()):
+                parameters[param.name()] = wrapper.parameterValue()
+                if not param.checkValueIsAcceptable(wrapper.parameterValue()):
                     self.messageBar().pushMessage("", self.tr('Wrong or missing parameter value: {0} (row {1})').format(
                         param.description(), row + 1),
                         level=Qgis.Warning, duration=5)
diff --git a/python/plugins/processing/gui/BatchPanel.py b/python/plugins/processing/gui/BatchPanel.py
index acba286cedf1..9431ec84ae7c 100644
--- a/python/plugins/processing/gui/BatchPanel.py
+++ b/python/plugins/processing/gui/BatchPanel.py
@@ -36,9 +36,8 @@
                        QgsApplication,
                        QgsSettings,
                        QgsProcessingParameterDefinition)
-from qgis.gui import QgsAbstractProcessingParameterWidgetWrapper
 
-from processing.gui.wrappers import WidgetWrapperFactory
+from processing.gui.wrappers import WidgetWrapperFactory, WidgetWrapper
 from processing.gui.BatchOutputSelectionPanel import BatchOutputSelectionPanel
 
 from processing.tools import dataobjects
@@ -235,7 +234,7 @@ def save(self):
     def setCellWrapper(self, row, column, wrapper, context):
         self.wrappers[row][column] = wrapper
 
-        is_cpp_wrapper = issubclass(wrapper.__class__, QgsAbstractProcessingParameterWidgetWrapper)
+        is_cpp_wrapper = not issubclass(wrapper.__class__, WidgetWrapper)
         if is_cpp_wrapper:
             widget = wrapper.createWrappedWidget(context)
         else:
diff --git a/python/plugins/processing/gui/ParametersPanel.py b/python/plugins/processing/gui/ParametersPanel.py
index af113c0c08e4..f284075b7637 100644
--- a/python/plugins/processing/gui/ParametersPanel.py
+++ b/python/plugins/processing/gui/ParametersPanel.py
@@ -38,14 +38,10 @@
                        QgsProcessingParameterExtent,
                        QgsProcessingParameterPoint,
                        QgsProcessingParameterFeatureSource,
-                       QgsProcessingOutputVectorLayer,
-                       QgsProcessingOutputRasterLayer,
                        QgsProcessingParameterRasterDestination,
                        QgsProcessingParameterFeatureSink,
                        QgsProcessingParameterVectorDestination,
                        QgsProject)
-from qgis.gui import (QgsGui,
-                      QgsAbstractProcessingParameterWidgetWrapper)
 
 from qgis.PyQt import uic
 from qgis.PyQt.QtCore import QCoreApplication, Qt
@@ -54,7 +50,7 @@
 from qgis.PyQt.QtGui import QIcon
 
 from processing.gui.DestinationSelectionPanel import DestinationSelectionPanel
-from processing.gui.wrappers import WidgetWrapperFactory
+from processing.gui.wrappers import WidgetWrapperFactory, WidgetWrapper
 from processing.tools.dataobjects import createContext
 
 pluginPath = os.path.split(os.path.dirname(__file__))[0]\
@@ -123,14 +119,14 @@ def initWidgets(self):
             else:
                 wrapper = WidgetWrapperFactory.create_wrapper(param, self.parent)
                 self.wrappers[param.name()] = wrapper
-                is_cpp_wrapper = issubclass(wrapper.__class__, QgsAbstractProcessingParameterWidgetWrapper)
-                if is_cpp_wrapper:
+                is_python_wrapper = issubclass(wrapper.__class__, WidgetWrapper)
+                if not is_python_wrapper:
                     widget = wrapper.createWrappedWidget(context)
                 else:
                     widget = wrapper.widget
 
                 if widget is not None:
-                    if not is_cpp_wrapper:
+                    if is_python_wrapper:
                         widget.setToolTip(param.toolTip())
 
                     if isinstance(param, QgsProcessingParameterFeatureSource):
@@ -152,7 +148,7 @@ def initWidgets(self):
                         widget.setLayout(layout)
 
                     label = None
-                    if is_cpp_wrapper:
+                    if not is_python_wrapper:
                         label = wrapper.createWrappedLabel()
                     else:
                         label = wrapper.label
@@ -163,7 +159,7 @@ def initWidgets(self):
                         else:
                             self.layoutMain.insertWidget(
                                 self.layoutMain.count() - 2, label)
-                    elif not is_cpp_wrapper:
+                    elif is_python_wrapper:
                         desc = param.description()
                         if isinstance(param, QgsProcessingParameterExtent):
                             desc += self.tr(' (xmin, xmax, ymin, ymax)')