NSUserNotificationCenter.defaultUserNotificationCenter() returns None in python
Question: I am trying to connect to the Mountain Lion notification center via python.
I've installed pyobjc and am following the instructions
[here](https://github.com/maranas/pyNotificationCenter) and
[here](https://gist.github.com/baliw/4020619). Also see: [Working with
Mountain Lion's Notification Center using
PyObjC](http://stackoverflow.com/questions/12202983/working-with-mountain-
lions-notification-center-using-pyobjc)

Here's my code:

    
    
    import Foundation, objc
    import AppKit
    import sys
    
    NSUserNotification = objc.lookUpClass('NSUserNotification')
    NSUserNotificationCenter = objc.lookUpClass('NSUserNotificationCenter')
    
    def notify(title, subtitle, info_text, delay=0, sound=False, userInfo={}):
        """ Python method to show a desktop notification on Mountain Lion. Where:
            title: Title of notification
            subtitle: Subtitle of notification
            info_text: Informative text of notification
            delay: Delay (in seconds) before showing the notification
            sound: Play the default notification sound
            userInfo: a dictionary that can be used to handle clicks in your
                      app's applicationDidFinishLaunching:aNotification method
        """
        notification = NSUserNotification.alloc().init()
        notification.setTitle_(title)
        notification.setSubtitle_(subtitle)
        notification.setInformativeText_(info_text)
        notification.setUserInfo_(userInfo)
        if sound:
            notification.setSoundName_("NSUserNotificationDefaultSoundName")
        notification.setDeliveryDate_(Foundation.NSDate.dateWithTimeInterval_sinceDate_(delay, Foundation.NSDate.date()))
        NSUserNotificationCenter.defaultUserNotificationCenter().scheduleNotification_(notification)
    

When I call the notify function with arguments I get an attribute error:

`AttributeError: 'NoneType' object has no attribute 'scheduleNotification_'`

I don't understand why
`NSUserNotificationCenter.defaultUserNotificationCenter()` is returning a
NoneType object. I've not been able to query anything on this matter on the
internet or SO.


Answer: So, this works fine using Ned's advice of using default python. It also worked
when I installed pyobjc on the 32-bit enthought distribution. It seems to me
that pyobjc works only on 32 bit python distributions (I cannot confirm this,
but so far this seems to be the case).

(Note: When I posted the question I had installed pyobjc on the 64 bit
enthought distribution).

