diff --git a/TermTk/TTkWidgets/TTkModelView/__init__.py b/TermTk/TTkWidgets/TTkModelView/__init__.py
index f37a83a7..acb9c5c0 100644
--- a/TermTk/TTkWidgets/TTkModelView/__init__.py
+++ b/TermTk/TTkWidgets/TTkModelView/__init__.py
@@ -1,6 +1,6 @@
-from .tree                import TTkTree
-from .treewidget          import TTkTreeWidget
-from .treewidgetitem      import TTkTreeWidgetItem
-from .filetree            import TTkFileTree
-from .filetreewidget      import TTkFileTreeWidget
-from .filetreewidgetitem  import TTkFileTreeWidgetItem
+from .tree                import *
+from .treewidget          import *
+from .treewidgetitem      import *
+from .filetree            import *
+from .filetreewidget      import *
+from .filetreewidgetitem  import *
diff --git a/TermTk/TTkWidgets/TTkModelView/filetree.py b/TermTk/TTkWidgets/TTkModelView/filetree.py
index 8d8768a5..de3b39fb 100644
--- a/TermTk/TTkWidgets/TTkModelView/filetree.py
+++ b/TermTk/TTkWidgets/TTkModelView/filetree.py
@@ -25,6 +25,8 @@
 from TermTk.TTkWidgets.TTkModelView.tree import TTkTree
 from TermTk.TTkWidgets.TTkModelView.filetreewidget import TTkFileTreeWidget
 
+__all__ = ['TTkFileTree']
+
 class TTkFileTree(TTkTree):
     __slots__ = ('_fileTreeWidget',
                  # Forwarded Methods
diff --git a/TermTk/TTkWidgets/TTkModelView/filetreewidget.py b/TermTk/TTkWidgets/TTkModelView/filetreewidget.py
index 8b3fbda9..0e8430fe 100644
--- a/TermTk/TTkWidgets/TTkModelView/filetreewidget.py
+++ b/TermTk/TTkWidgets/TTkModelView/filetreewidget.py
@@ -34,6 +34,8 @@ from TermTk.TTkWidgets.TTkModelView.treewidget import TTkTreeWidget
 from TermTk.TTkWidgets.TTkModelView.filetreewidgetitem import TTkFileTreeWidgetItem
 from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal
 
+__all__ = ['TTkFileTreeWidget']
+
 class TTkFileTreeWidget(TTkTreeWidget):
     __slots__ = ('_path', '_filter',
                  # Signals
diff --git a/TermTk/TTkWidgets/TTkModelView/filetreewidgetitem.py b/TermTk/TTkWidgets/TTkModelView/filetreewidgetitem.py
index 349e638a..cf790490 100644
--- a/TermTk/TTkWidgets/TTkModelView/filetreewidgetitem.py
+++ b/TermTk/TTkWidgets/TTkModelView/filetreewidgetitem.py
@@ -27,6 +27,8 @@ import re
 from TermTk.TTkCore.constant import TTkK
 from TermTk.TTkWidgets.TTkModelView.treewidgetitem import TTkTreeWidgetItem
 
+__all__ = ['TTkFileTreeWidgetItem']
+
 class TTkFileTreeWidgetItem(TTkTreeWidgetItem):
     FILE = 0x00
     DIR  = 0x01
diff --git a/TermTk/TTkWidgets/TTkModelView/tree.py b/TermTk/TTkWidgets/TTkModelView/tree.py
index 3eeda770..37bd5aae 100644
--- a/TermTk/TTkWidgets/TTkModelView/tree.py
+++ b/TermTk/TTkWidgets/TTkModelView/tree.py
@@ -26,6 +26,8 @@ from TermTk.TTkCore.constant import TTkK
 from TermTk.TTkWidgets.TTkModelView.treewidget import TTkTreeWidget
 from TermTk.TTkAbstract.abstractscrollarea import TTkAbstractScrollArea
 
+__all__ = ['TTkTree']
+
 class TTkTree(TTkAbstractScrollArea):
     __slots__ = (
         '_treeView',
diff --git a/TermTk/TTkWidgets/TTkModelView/treewidget.py b/TermTk/TTkWidgets/TTkModelView/treewidget.py
index 5d0843e5..b28fa5d7 100644
--- a/TermTk/TTkWidgets/TTkModelView/treewidget.py
+++ b/TermTk/TTkWidgets/TTkModelView/treewidget.py
@@ -30,6 +30,8 @@ from TermTk.TTkCore.signal import pyTTkSignal, pyTTkSlot
 
 from dataclasses import dataclass
 
+__all__ = ['TTkTreeWidget']
+
 class TTkTreeWidget(TTkAbstractScrollView):
     '''TTkTreeWidget'''
 
diff --git a/TermTk/TTkWidgets/TTkModelView/treewidgetitem.py b/TermTk/TTkWidgets/TTkModelView/treewidgetitem.py
index 75633874..5e733603 100644
--- a/TermTk/TTkWidgets/TTkModelView/treewidgetitem.py
+++ b/TermTk/TTkWidgets/TTkModelView/treewidgetitem.py
@@ -29,6 +29,7 @@ from TermTk.TTkCore.signal import pyTTkSlot, pyTTkSignal
 from TermTk.TTkWidgets import TTkWidget
 from TermTk.TTkAbstract.abstractitemmodel import TTkAbstractItemModel
 
+__all__ = ['TTkTreeWidgetItem']
 
 class TTkTreeWidgetItem(TTkAbstractItemModel):
     __slots__ = ('_parent', '_data', '_widgets', '_height', '_alignment', '_children', '_expanded', '_selected', '_hidden',
diff --git a/TermTk/TTkWidgets/TTkPickers/__init__.py b/TermTk/TTkWidgets/TTkPickers/__init__.py
index 0067baa2..dd03c1d1 100644
--- a/TermTk/TTkWidgets/TTkPickers/__init__.py
+++ b/TermTk/TTkWidgets/TTkPickers/__init__.py
@@ -1,4 +1,4 @@
-from .colorpicker import TTkColorButtonPicker, TTkColorDialogPicker
-from .filepicker import TTkFileDialog, TTkFileDialogPicker, TTkFileButtonPicker
-from .textpicker import TTkTextPicker, TTkTextDialogPicker
-from .messagebox import TTkMessageBox
\ No newline at end of file
+from .colorpicker import *
+from .filepicker  import *
+from .textpicker  import *
+from .messagebox  import *
\ No newline at end of file
diff --git a/TermTk/TTkWidgets/TTkPickers/colorpicker.py b/TermTk/TTkWidgets/TTkPickers/colorpicker.py
index 1953056b..42fd1ea8 100644
--- a/TermTk/TTkWidgets/TTkPickers/colorpicker.py
+++ b/TermTk/TTkWidgets/TTkPickers/colorpicker.py
@@ -40,6 +40,8 @@ from TermTk.TTkWidgets.spinbox import TTkSpinBox
 from TermTk.TTkLayouts.layout import TTkLayout
 from TermTk.TTkLayouts.gridlayout import TTkGridLayout
 
+__all__ = ['TTkColorButtonPicker', 'TTkColorDialogPicker']
+
 class _TTkHueCanvas(TTkWidget):
     __slots__ = ('_hueList', '_selected', 'colorPicked')
     def __init__(self, *args, **kwargs):
diff --git a/TermTk/TTkWidgets/TTkPickers/filepicker.py b/TermTk/TTkWidgets/TTkPickers/filepicker.py
index e2158f27..804dcaf1 100644
--- a/TermTk/TTkWidgets/TTkPickers/filepicker.py
+++ b/TermTk/TTkWidgets/TTkPickers/filepicker.py
@@ -43,6 +43,7 @@ from TermTk.TTkLayouts.gridlayout import TTkGridLayout
 from TermTk.TTkWidgets.TTkModelView.filetree import TTkFileTree
 from TermTk.TTkWidgets.TTkModelView.filetreewidgetitem import TTkFileTreeWidgetItem
 
+__all__ = ['TTkFileDialog', 'TTkFileDialogPicker', 'TTkFileButtonPicker']
 
 '''
 ::
diff --git a/TermTk/TTkWidgets/TTkPickers/messagebox.py b/TermTk/TTkWidgets/TTkPickers/messagebox.py
index 7c547a72..4e844fa1 100644
--- a/TermTk/TTkWidgets/TTkPickers/messagebox.py
+++ b/TermTk/TTkWidgets/TTkPickers/messagebox.py
@@ -34,6 +34,8 @@ from TermTk.TTkWidgets.image import TTkImage
 from TermTk.TTkWidgets.label import TTkLabel
 from TermTk.TTkWidgets.button import TTkButton
 
+__all__ = ['TTkMessageBox']
+
 class TTkMessageBox(TTkWindow):
     class Icon(int):
         NoIcon      = 0
diff --git a/TermTk/TTkWidgets/TTkPickers/textpicker.py b/TermTk/TTkWidgets/TTkPickers/textpicker.py
index c59fd933..82214107 100644
--- a/TermTk/TTkWidgets/TTkPickers/textpicker.py
+++ b/TermTk/TTkWidgets/TTkPickers/textpicker.py
@@ -47,6 +47,8 @@ from TermTk.TTkWidgets.TTkModelView.filetree import TTkFileTree
 from TermTk.TTkWidgets.TTkModelView.filetreewidgetitem import TTkFileTreeWidgetItem
 from TermTk.TTkWidgets.TTkPickers.colorpicker import TTkColorButtonPicker
 
+__all__ = ['TTkTextPicker', 'TTkTextDialogPicker']
+
 class _superSimpleHorizontalLine(TTkWidget):
     def paintEvent(self, canvas):
         w,h = self.size()