Fixed few impoorts

TermTk/TTkCore/TTkTerm/inputkey.py

@@ -24,7 +24,7 @@
 
 from TermTk.TTkCore.constant import TTkK
 
-__all = ['TTkKeyEvent']
+__all__ = ['TTkKeyEvent']
 
 class TTkKeyEvent:
     ''' Keyboard Events

TermTk/TTkCore/TTkTerm/term.py

@@ -29,4 +29,4 @@ if importlib.util.find_spec('pyodideProxy'):
 else:
     from .term_unix import TTkTerm
 
-__all = ['TTkTerm']
+__all__ = ['TTkTerm']

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