diff --git a/wxPython/demo/Throbber.py b/wxPython/demo/Throbber.py
index b80c776235..84725cef8f 100644
--- a/wxPython/demo/Throbber.py
+++ b/wxPython/demo/Throbber.py
@@ -118,7 +118,7 @@ class TestPanel(wxPanel):
         sizer.SetSizeHints(self)
         sizer.Fit(self)
 
-        for t in self.throbbers:
+        for t in self.throbbers.keys():
             self.throbbers[t]['throbber'].Start()
         self.otherThrobber.Start()
         self.otherThrobber.Reverse()
@@ -130,11 +130,11 @@ class TestPanel(wxPanel):
         event.Skip()
 
     def OnStartAnimation(self, event):
-        for t in self.throbbers:
+        for t in self.throbbers.keys():
             self.throbbers[t]['throbber'].Start()
 
     def OnStopAnimation(self, event):
-        for t in self.throbbers:
+        for t in self.throbbers.keys():
             self.throbbers[t]['throbber'].Rest()
 
     def OnClickThrobber(self, event):
diff --git a/wxPython/wxPython/lib/popupctl.py b/wxPython/wxPython/lib/popupctl.py
index fe4408a9b3..34568d65d8 100644
--- a/wxPython/wxPython/lib/popupctl.py
+++ b/wxPython/wxPython/lib/popupctl.py
@@ -185,7 +185,7 @@ class wxPopupDialog(wxDialog):
 
 class wxPopupControl(wxPyControl):
     def __init__(self,*_args,**_kwargs):
-        if 'value' in _kwargs:
+        if _kwargs.has_key('value'):
             del _kwargs['value']
         apply(wxPyControl.__init__,(self,) + _args,_kwargs)