diff --git a/TermTk/TTkCore/TTkTerm/inputkey.py b/TermTk/TTkCore/TTkTerm/inputkey.py
index 188759d8..636bc0e0 100644
--- a/TermTk/TTkCore/TTkTerm/inputkey.py
+++ b/TermTk/TTkCore/TTkTerm/inputkey.py
@@ -24,7 +24,7 @@
 
 from TermTk.TTkCore.constant import TTkK
 
-__all = ['TTkKeyEvent']
+__all__ = ['TTkKeyEvent']
 
 class TTkKeyEvent:
     ''' Keyboard Events
diff --git a/TermTk/TTkCore/TTkTerm/term.py b/TermTk/TTkCore/TTkTerm/term.py
index 8afb5bce..7c05fde2 100644
--- a/TermTk/TTkCore/TTkTerm/term.py
+++ b/TermTk/TTkCore/TTkTerm/term.py
@@ -29,4 +29,4 @@ if importlib.util.find_spec('pyodideProxy'):
 else:
     from .term_unix import TTkTerm
 
-__all = ['TTkTerm']
\ No newline at end of file
+__all__ = ['TTkTerm']
\ No newline at end of file
diff --git a/TermTk/TTkCore/propertyanimation.py b/TermTk/TTkCore/propertyanimation.py
index 6b010b1c..724e5afc 100644
--- a/TermTk/TTkCore/propertyanimation.py
+++ b/TermTk/TTkCore/propertyanimation.py
@@ -28,7 +28,7 @@ from TermTk.TTkCore.log import TTkLog
 from TermTk.TTkCore.signal import pyTTkSignal, pyTTkSlot
 from TermTk.TTkCore.helper import TTkHelper
 
-__all = ['TTkPropertyAnimation', 'TTkEasingCurve']
+__all__ = ['TTkPropertyAnimation', 'TTkEasingCurve']
 
 class TTkEasingCurve():
     Linear       = 0