diff --git a/Tools/pynche/TypeinViewer.py b/Tools/pynche/TypeinViewer.py
index d0033b4b2c5..aabcd73a906 100644
--- a/Tools/pynche/TypeinViewer.py
+++ b/Tools/pynche/TypeinViewer.py
@@ -9,7 +9,7 @@ def __init__(self, parent=None, **kw):
 		   )
 	self.defineoptions(kw, options)
 
-	Pmw.MegaWidget.__init__(self,parent)
+	Pmw.MegaWidget.__init__(self, parent)
 	interiorarg = (self.interior(),)
 
 	# create the x, y, and z label