diff --git a/wxPython/src/_gbsizer.i b/wxPython/src/_gbsizer.i
index d4dc75e0fb..865faad831 100644
--- a/wxPython/src/_gbsizer.i
+++ b/wxPython/src/_gbsizer.i
@@ -113,7 +113,7 @@ public:
         elif index == 1: self.SetCol(val)
         else: raise IndexError
     def __nonzero__(self):               return self.Get() != (0,0)
-    __safe_for_unpickling__ = true
+    __safe_for_unpickling__ = True
     def __reduce__(self):                return (wx.GBPosition, self.Get())
     }
 
@@ -182,7 +182,7 @@ cell in each direction.", "");
         elif index == 1: self.SetColspan(val)
         else: raise IndexError
     def __nonzero__(self):               return self.Get() != (0,0)
-    __safe_for_unpickling__ = true
+    __safe_for_unpickling__ = True
     def __reduce__(self):                return (wx.GBSpan, self.Get())
     }
 
diff --git a/wxPython/src/_sizers.i b/wxPython/src/_sizers.i
index f0eac7a127..bf8a3832e0 100644
--- a/wxPython/src/_sizers.i
+++ b/wxPython/src/_sizers.i
@@ -860,7 +860,7 @@ the item.", "");
     }
 
     %pythoncode {
-    def Hide(self, item, recursive=false):
+    def Hide(self, item, recursive=False):
         """
         A convenience method for Show(item, False, recursive).
         """