Fix PyObjC activation policy

main.py

@@ -17,7 +17,8 @@ from AppKit import (
     NSUserInterfaceLayoutOrientationVertical, NSLayoutAttributeCenterX,
     NSLayoutAttributeCenterY, NSLayoutAttributeWidth, NSLayoutAttributeHeight,
     NSLayoutAttributeTop, NSLayoutAttributeBottom, NSLayoutAttributeLeading,
-    NSLayoutAttributeTrailing, NSScrollView, NSTextView
+    NSLayoutAttributeTrailing, NSScrollView, NSTextView,
+    NSApplicationActivationPolicyRegular
 )
 from Foundation import NSObject, NSTimer, NSDate
 
@@ -201,7 +202,10 @@ class ItemSenseApp(NSObject):
 
 if __name__ == "__main__":
     app = NSApplication.sharedApplication()
+    app.setActivationPolicy_(NSApplicationActivationPolicyRegular)
     delegate = ItemSenseApp.alloc().init()
     app.setDelegate_(delegate)
-    NSApp.activateIgnoringOtherApps_(True)
+    
+    # Allow time for policy to take effect? Usually acceptable immediately.
+    app.activateIgnoringOtherApps_(True)
     app.run()